Home / 22,581,076.08-31,159,635.96-12,789,566.64

Finding the Fourth Proportional to 22,581,076.08, 31,159,635.96 and 12,789,566.64

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Solution

The fourth proportional to 22,581,076.08, 31,159,635.96 and 12,789,566.64 is: 17,648,328.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,581,076.08 : 31,159,635.96 = 12,789,566.64 : x
  2. Step 2: Convert to fraction form
    22,581,076.08/31,159,635.96 = 12,789,566.64/x
  3. Step 3: Cross multiply
    22,581,076.08x = 31,159,635.96 × 12,789,566.64
  4. Step 4: Simplify right side
    22,581,076.08x = 398,518,240,588,560.38
  5. Step 5: Solve for x
    x = 398,518,240,588,560.38/22,581,076.08
  6. Step 6: Final answer
    x = 17,648,328.15

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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.