Home / 36,124,529.34-49,838,980.95-21,428,939.10

Finding the Fourth Proportional to 36,124,529.34, 49,838,980.95 and 21,428,939.10

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Solution

The fourth proportional to 36,124,529.34, 49,838,980.95 and 21,428,939.10 is: 29,564,301.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,124,529.34 : 49,838,980.95 = 21,428,939.10 : x
  2. Step 2: Convert to fraction form
    36,124,529.34/49,838,980.95 = 21,428,939.10/x
  3. Step 3: Cross multiply
    36,124,529.34x = 49,838,980.95 × 21,428,939.10
  4. Step 4: Simplify right side
    36,124,529.34x = 1,067,996,487,583,610.25
  5. Step 5: Solve for x
    x = 1,067,996,487,583,610.25/36,124,529.34
  6. Step 6: Final answer
    x = 29,564,301.79

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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.