Home / 15,641,312.86-21,580,959.09-9,441,459.46

Finding the Fourth Proportional to 15,641,312.86, 21,580,959.09 and 9,441,459.46

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Solution

The fourth proportional to 15,641,312.86, 21,580,959.09 and 9,441,459.46 is: 13,026,767.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,641,312.86 : 21,580,959.09 = 9,441,459.46 : x
  2. Step 2: Convert to fraction form
    15,641,312.86/21,580,959.09 = 9,441,459.46/x
  3. Step 3: Cross multiply
    15,641,312.86x = 21,580,959.09 × 9,441,459.46
  4. Step 4: Simplify right side
    15,641,312.86x = 203,755,750,356,153.50
  5. Step 5: Solve for x
    x = 203,755,750,356,153.50/15,641,312.86
  6. Step 6: Final answer
    x = 13,026,767.78

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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.