Home / 22,572,148.13-31,151,485.49-12,784,333.49

Finding the Fourth Proportional to 22,572,148.13, 31,151,485.49 and 12,784,333.49

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Solution

The fourth proportional to 22,572,148.13, 31,151,485.49 and 12,784,333.49 is: 17,643,468.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,572,148.13 : 31,151,485.49 = 12,784,333.49 : x
  2. Step 2: Convert to fraction form
    22,572,148.13/31,151,485.49 = 12,784,333.49/x
  3. Step 3: Cross multiply
    22,572,148.13x = 31,151,485.49 × 12,784,333.49
  4. Step 4: Simplify right side
    22,572,148.13x = 398,250,978,993,376.94
  5. Step 5: Solve for x
    x = 398,250,978,993,376.94/22,572,148.13
  6. Step 6: Final answer
    x = 17,643,468.26

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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.