Home / 28,545,332.75-39,392,937.12-15,492,748.13

Finding the Fourth Proportional to 28,545,332.75, 39,392,937.12 and 15,492,748.13

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Solution

The fourth proportional to 28,545,332.75, 39,392,937.12 and 15,492,748.13 is: 21,380,197.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,545,332.75 : 39,392,937.12 = 15,492,748.13 : x
  2. Step 2: Convert to fraction form
    28,545,332.75/39,392,937.12 = 15,492,748.13/x
  3. Step 3: Cross multiply
    28,545,332.75x = 39,392,937.12 × 15,492,748.13
  4. Step 4: Simplify right side
    28,545,332.75x = 610,304,852,909,944.25
  5. Step 5: Solve for x
    x = 610,304,852,909,944.25/28,545,332.75
  6. Step 6: Final answer
    x = 21,380,197.54

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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.