Home / 38,537,803.24-53,177,280.52-21,129,567.56

Finding the Fourth Proportional to 38,537,803.24, 53,177,280.52 and 21,129,567.56

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Solution

The fourth proportional to 38,537,803.24, 53,177,280.52 and 21,129,567.56 is: 29,156,123.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,537,803.24 : 53,177,280.52 = 21,129,567.56 : x
  2. Step 2: Convert to fraction form
    38,537,803.24/53,177,280.52 = 21,129,567.56/x
  3. Step 3: Cross multiply
    38,537,803.24x = 53,177,280.52 × 21,129,567.56
  4. Step 4: Simplify right side
    38,537,803.24x = 1,123,612,941,404,411.88
  5. Step 5: Solve for x
    x = 1,123,612,941,404,411.88/38,537,803.24
  6. Step 6: Final answer
    x = 29,156,123.26

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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.