Home / 28,377,444.61-39,160,873.16-15,324,703.14

Finding the Fourth Proportional to 28,377,444.61, 39,160,873.16 and 15,324,703.14

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Solution

The fourth proportional to 28,377,444.61, 39,160,873.16 and 15,324,703.14 is: 21,148,090.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,377,444.61 : 39,160,873.16 = 15,324,703.14 : x
  2. Step 2: Convert to fraction form
    28,377,444.61/39,160,873.16 = 15,324,703.14/x
  3. Step 3: Cross multiply
    28,377,444.61x = 39,160,873.16 × 15,324,703.14
  4. Step 4: Simplify right side
    28,377,444.61x = 600,128,755,880,193.75
  5. Step 5: Solve for x
    x = 600,128,755,880,193.75/28,377,444.61
  6. Step 6: Final answer
    x = 21,148,090.12

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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.