Home / 38,997,389.46-53,815,740.24-21,593,360.91

Finding the Fourth Proportional to 38,997,389.46, 53,815,740.24 and 21,593,360.91

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Solution

The fourth proportional to 38,997,389.46, 53,815,740.24 and 21,593,360.91 is: 29,798,474.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,997,389.46 : 53,815,740.24 = 21,593,360.91 : x
  2. Step 2: Convert to fraction form
    38,997,389.46/53,815,740.24 = 21,593,360.91/x
  3. Step 3: Cross multiply
    38,997,389.46x = 53,815,740.24 × 21,593,360.91
  4. Step 4: Simplify right side
    38,997,389.46x = 1,162,062,701,641,130
  5. Step 5: Solve for x
    x = 1,162,062,701,641,130/38,997,389.46
  6. Step 6: Final answer
    x = 29,798,474.15

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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.