Home / 20,779,232.10-31,168,848.15-9,441,824.10

Finding the Fourth Proportional to 20,779,232.10, 31,168,848.15 and 9,441,824.10

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Solution

The fourth proportional to 20,779,232.10, 31,168,848.15 and 9,441,824.10 is: 14,162,736.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,779,232.10 : 31,168,848.15 = 9,441,824.10 : x
  2. Step 2: Convert to fraction form
    20,779,232.10/31,168,848.15 = 9,441,824.10/x
  3. Step 3: Cross multiply
    20,779,232.10x = 31,168,848.15 × 9,441,824.10
  4. Step 4: Simplify right side
    20,779,232.10x = 294,290,781,631,910.38
  5. Step 5: Solve for x
    x = 294,290,781,631,910.38/20,779,232.10
  6. Step 6: Final answer
    x = 14,162,736.15

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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.