Home / 38,827,342.85-53,582,854.65-21,424,808.75

Finding the Fourth Proportional to 38,827,342.85, 53,582,854.65 and 21,424,808.75

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Solution

The fourth proportional to 38,827,342.85, 53,582,854.65 and 21,424,808.75 is: 29,566,854.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,827,342.85 : 53,582,854.65 = 21,424,808.75 : x
  2. Step 2: Convert to fraction form
    38,827,342.85/53,582,854.65 = 21,424,808.75/x
  3. Step 3: Cross multiply
    38,827,342.85x = 53,582,854.65 × 21,424,808.75
  4. Step 4: Simplify right side
    38,827,342.85x = 1,148,002,413,208,912.50
  5. Step 5: Solve for x
    x = 1,148,002,413,208,912.50/38,827,342.85
  6. Step 6: Final answer
    x = 29,566,854.92

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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.