Home / 15,655,489.60-21,604,732.14-8,779,824.04

Finding the Fourth Proportional to 15,655,489.60, 21,604,732.14 and 8,779,824.04

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Solution

The fourth proportional to 15,655,489.60, 21,604,732.14 and 8,779,824.04 is: 12,116,244.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,655,489.60 : 21,604,732.14 = 8,779,824.04 : x
  2. Step 2: Convert to fraction form
    15,655,489.60/21,604,732.14 = 8,779,824.04/x
  3. Step 3: Cross multiply
    15,655,489.60x = 21,604,732.14 × 8,779,824.04
  4. Step 4: Simplify right side
    15,655,489.60x = 189,685,746,620,532.62
  5. Step 5: Solve for x
    x = 189,685,746,620,532.62/15,655,489.60
  6. Step 6: Final answer
    x = 12,116,244.94

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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.