Home / 38,875,117.10-53,647,342.64-21,234,030.92

Finding the Fourth Proportional to 38,875,117.10, 53,647,342.64 and 21,234,030.92

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Solution

The fourth proportional to 38,875,117.10, 53,647,342.64 and 21,234,030.92 is: 29,302,788.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,875,117.10 : 53,647,342.64 = 21,234,030.92 : x
  2. Step 2: Convert to fraction form
    38,875,117.10/53,647,342.64 = 21,234,030.92/x
  3. Step 3: Cross multiply
    38,875,117.10x = 53,647,342.64 × 21,234,030.92
  4. Step 4: Simplify right side
    38,875,117.10x = 1,139,149,332,393,594.50
  5. Step 5: Solve for x
    x = 1,139,149,332,393,594.50/38,875,117.10
  6. Step 6: Final answer
    x = 29,302,788.45

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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.