Home / 19,157,427.60-28,727,284.05-8,369,175.30

Finding the Fourth Proportional to 19,157,427.60, 28,727,284.05 and 8,369,175.30

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Solution

The fourth proportional to 19,157,427.60, 28,727,284.05 and 8,369,175.30 is: 12,549,893.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,157,427.60 : 28,727,284.05 = 8,369,175.30 : x
  2. Step 2: Convert to fraction form
    19,157,427.60/28,727,284.05 = 8,369,175.30/x
  3. Step 3: Cross multiply
    19,157,427.60x = 28,727,284.05 × 8,369,175.30
  4. Step 4: Simplify right side
    19,157,427.60x = 240,423,676,107,343.97
  5. Step 5: Solve for x
    x = 240,423,676,107,343.97/19,157,427.60
  6. Step 6: Final answer
    x = 12,549,893.50

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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.