Home / 28,514,411.40-42,771,617.10-9,345,793.80

Finding the Fourth Proportional to 28,514,411.40, 42,771,617.10 and 9,345,793.80

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Solution

The fourth proportional to 28,514,411.40, 42,771,617.10 and 9,345,793.80 is: 14,018,690.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,514,411.40 : 42,771,617.10 = 9,345,793.80 : x
  2. Step 2: Convert to fraction form
    28,514,411.40/42,771,617.10 = 9,345,793.80/x
  3. Step 3: Cross multiply
    28,514,411.40x = 42,771,617.10 × 9,345,793.80
  4. Step 4: Simplify right side
    28,514,411.40x = 399,734,713,909,154
  5. Step 5: Solve for x
    x = 399,734,713,909,154/28,514,411.40
  6. Step 6: Final answer
    x = 14,018,690.70

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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.