Home / 22,572,132.12-31,151,463.37-12,784,317.50

Finding the Fourth Proportional to 22,572,132.12, 31,151,463.37 and 12,784,317.50

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Solution

The fourth proportional to 22,572,132.12, 31,151,463.37 and 12,784,317.50 is: 17,643,446.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,572,132.12 : 31,151,463.37 = 12,784,317.50 : x
  2. Step 2: Convert to fraction form
    22,572,132.12/31,151,463.37 = 12,784,317.50/x
  3. Step 3: Cross multiply
    22,572,132.12x = 31,151,463.37 × 12,784,317.50
  4. Step 4: Simplify right side
    22,572,132.12x = 398,250,198,357,617.81
  5. Step 5: Solve for x
    x = 398,250,198,357,617.81/22,572,132.12
  6. Step 6: Final answer
    x = 17,643,446.19

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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.