Home / 22,559,555.87-31,132,280.61-12,771,888.87

Finding the Fourth Proportional to 22,559,555.87, 31,132,280.61 and 12,771,888.87

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Solution

The fourth proportional to 22,559,555.87, 31,132,280.61 and 12,771,888.87 is: 17,625,259.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,559,555.87 : 31,132,280.61 = 12,771,888.87 : x
  2. Step 2: Convert to fraction form
    22,559,555.87/31,132,280.61 = 12,771,888.87/x
  3. Step 3: Cross multiply
    22,559,555.87x = 31,132,280.61 × 12,771,888.87
  4. Step 4: Simplify right side
    22,559,555.87x = 397,618,028,337,321.81
  5. Step 5: Solve for x
    x = 397,618,028,337,321.81/22,559,555.87
  6. Step 6: Final answer
    x = 17,625,259.59

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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.