Home / 19,425,646.80-29,156,095.80-9,847,688.40

Finding the Fourth Proportional to 19,425,646.80, 29,156,095.80 and 9,847,688.40

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Solution

The fourth proportional to 19,425,646.80, 29,156,095.80 and 9,847,688.40 is: 14,780,467.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,425,646.80 : 29,156,095.80 = 9,847,688.40 : x
  2. Step 2: Convert to fraction form
    19,425,646.80/29,156,095.80 = 9,847,688.40/x
  3. Step 3: Cross multiply
    19,425,646.80x = 29,156,095.80 × 9,847,688.40
  4. Step 4: Simplify right side
    19,425,646.80x = 287,120,146,398,948.75
  5. Step 5: Solve for x
    x = 287,120,146,398,948.75/19,425,646.80
  6. Step 6: Final answer
    x = 14,780,467.77

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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.