Home / 38,667,337.29-53,361,936.80-21,027,271.55

Finding the Fourth Proportional to 38,667,337.29, 53,361,936.80 and 21,027,271.55

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Solution

The fourth proportional to 38,667,337.29, 53,361,936.80 and 21,027,271.55 is: 29,018,184.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,667,337.29 : 53,361,936.80 = 21,027,271.55 : x
  2. Step 2: Convert to fraction form
    38,667,337.29/53,361,936.80 = 21,027,271.55/x
  3. Step 3: Cross multiply
    38,667,337.29x = 53,361,936.80 × 21,027,271.55
  4. Step 4: Simplify right side
    38,667,337.29x = 1,122,055,935,155,592.12
  5. Step 5: Solve for x
    x = 1,122,055,935,155,592.12/38,667,337.29
  6. Step 6: Final answer
    x = 29,018,184.70

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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.