Home / 15,376,073.82-21,219,424.74-8,500,998.75

Finding the Fourth Proportional to 15,376,073.82, 21,219,424.74 and 8,500,998.75

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Solution

The fourth proportional to 15,376,073.82, 21,219,424.74 and 8,500,998.75 is: 11,731,623.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,376,073.82 : 21,219,424.74 = 8,500,998.75 : x
  2. Step 2: Convert to fraction form
    15,376,073.82/21,219,424.74 = 8,500,998.75/x
  3. Step 3: Cross multiply
    15,376,073.82x = 21,219,424.74 × 8,500,998.75
  4. Step 4: Simplify right side
    15,376,073.82x = 180,386,303,190,459.06
  5. Step 5: Solve for x
    x = 180,386,303,190,459.06/15,376,073.82
  6. Step 6: Final answer
    x = 11,731,623.12

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.