Home / 13,142,364.30-19,713,546.45-8,607,401.10

Finding the Fourth Proportional to 13,142,364.30, 19,713,546.45 and 8,607,401.10

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Solution

The fourth proportional to 13,142,364.30, 19,713,546.45 and 8,607,401.10 is: 12,911,101.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,142,364.30 : 19,713,546.45 = 8,607,401.10 : x
  2. Step 2: Convert to fraction form
    13,142,364.30/19,713,546.45 = 8,607,401.10/x
  3. Step 3: Cross multiply
    13,142,364.30x = 19,713,546.45 × 8,607,401.10
  4. Step 4: Simplify right side
    13,142,364.30x = 169,682,401,398,631.09
  5. Step 5: Solve for x
    x = 169,682,401,398,631.09/13,142,364.30
  6. Step 6: Final answer
    x = 12,911,101.65

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.