Home / 38,827,807.53-53,583,491.46-21,425,275.78

Finding the Fourth Proportional to 38,827,807.53, 53,583,491.46 and 21,425,275.78

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Solution

The fourth proportional to 38,827,807.53, 53,583,491.46 and 21,425,275.78 is: 29,567,496.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,827,807.53 : 53,583,491.46 = 21,425,275.78 : x
  2. Step 2: Convert to fraction form
    38,827,807.53/53,583,491.46 = 21,425,275.78/x
  3. Step 3: Cross multiply
    38,827,807.53x = 53,583,491.46 × 21,425,275.78
  4. Step 4: Simplify right side
    38,827,807.53x = 1,148,041,081,785,775
  5. Step 5: Solve for x
    x = 1,148,041,081,785,775/38,827,807.53
  6. Step 6: Final answer
    x = 29,567,496.98

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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.