Home / 38,352,302.60-52,925,827.86-20,948,645

Finding the Fourth Proportional to 38,352,302.60, 52,925,827.86 and 20,948,645

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Solution

The fourth proportional to 38,352,302.60, 52,925,827.86 and 20,948,645 is: 28,908,939.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,352,302.60 : 52,925,827.86 = 20,948,645 : x
  2. Step 2: Convert to fraction form
    38,352,302.60/52,925,827.86 = 20,948,645/x
  3. Step 3: Cross multiply
    38,352,302.60x = 52,925,827.86 × 20,948,645
  4. Step 4: Simplify right side
    38,352,302.60x = 1,108,724,379,170,249.75
  5. Step 5: Solve for x
    x = 1,108,724,379,170,249.75/38,352,302.60
  6. Step 6: Final answer
    x = 28,908,939.07

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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.