Home / 16,287,308.18-22,478,479.38-9,411,790.24

Finding the Fourth Proportional to 16,287,308.18, 22,478,479.38 and 9,411,790.24

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Solution

The fourth proportional to 16,287,308.18, 22,478,479.38 and 9,411,790.24 is: 12,989,422.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,287,308.18 : 22,478,479.38 = 9,411,790.24 : x
  2. Step 2: Convert to fraction form
    16,287,308.18/22,478,479.38 = 9,411,790.24/x
  3. Step 3: Cross multiply
    16,287,308.18x = 22,478,479.38 × 9,411,790.24
  4. Step 4: Simplify right side
    16,287,308.18x = 211,562,732,679,273.88
  5. Step 5: Solve for x
    x = 211,562,732,679,273.88/16,287,308.18
  6. Step 6: Final answer
    x = 12,989,422.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.