Home / 15,708,363.03-21,679,515-8,832,795.75

Finding the Fourth Proportional to 15,708,363.03, 21,679,515 and 8,832,795.75

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Solution

The fourth proportional to 15,708,363.03, 21,679,515 and 8,832,795.75 is: 12,190,368.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,708,363.03 : 21,679,515 = 8,832,795.75 : x
  2. Step 2: Convert to fraction form
    15,708,363.03/21,679,515 = 8,832,795.75/x
  3. Step 3: Cross multiply
    15,708,363.03x = 21,679,515 × 8,832,795.75
  4. Step 4: Simplify right side
    15,708,363.03x = 191,490,727,954,061.25
  5. Step 5: Solve for x
    x = 191,490,727,954,061.25/15,708,363.03
  6. Step 6: Final answer
    x = 12,190,368.12

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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.