Home / 20,700,565.12-31,011,051.03-11,574,985.04

Finding the Fourth Proportional to 20,700,565.12, 31,011,051.03 and 11,574,985.04

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Solution

The fourth proportional to 20,700,565.12, 31,011,051.03 and 11,574,985.04 is: 17,340,224.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,700,565.12 : 31,011,051.03 = 11,574,985.04 : x
  2. Step 2: Convert to fraction form
    20,700,565.12/31,011,051.03 = 11,574,985.04/x
  3. Step 3: Cross multiply
    20,700,565.12x = 31,011,051.03 × 11,574,985.04
  4. Step 4: Simplify right side
    20,700,565.12x = 358,952,451,746,926.56
  5. Step 5: Solve for x
    x = 358,952,451,746,926.56/20,700,565.12
  6. Step 6: Final answer
    x = 17,340,224.76

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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.