Home / 19,157,428.60-28,727,285.55-8,369,176.30

Finding the Fourth Proportional to 19,157,428.60, 28,727,285.55 and 8,369,176.30

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Solution

The fourth proportional to 19,157,428.60, 28,727,285.55 and 8,369,176.30 is: 12,549,895.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,157,428.60 : 28,727,285.55 = 8,369,176.30 : x
  2. Step 2: Convert to fraction form
    19,157,428.60/28,727,285.55 = 8,369,176.30/x
  3. Step 3: Cross multiply
    19,157,428.60x = 28,727,285.55 × 8,369,176.30
  4. Step 4: Simplify right side
    19,157,428.60x = 240,423,717,388,392.47
  5. Step 5: Solve for x
    x = 240,423,717,388,392.47/19,157,428.60
  6. Step 6: Final answer
    x = 12,549,895.00

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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.