Home / 28,446,041.17-39,255,640.38-15,393,298.90

Finding the Fourth Proportional to 28,446,041.17, 39,255,640.38 and 15,393,298.90

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Solution

The fourth proportional to 28,446,041.17, 39,255,640.38 and 15,393,298.90 is: 21,242,808.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,446,041.17 : 39,255,640.38 = 15,393,298.90 : x
  2. Step 2: Convert to fraction form
    28,446,041.17/39,255,640.38 = 15,393,298.90/x
  3. Step 3: Cross multiply
    28,446,041.17x = 39,255,640.38 × 15,393,298.90
  4. Step 4: Simplify right side
    28,446,041.17x = 604,273,805,880,249.62
  5. Step 5: Solve for x
    x = 604,273,805,880,249.62/28,446,041.17
  6. Step 6: Final answer
    x = 21,242,808.53

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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.