Home / 28,545,560.15-39,392,911.95-15,492,819.25

Finding the Fourth Proportional to 28,545,560.15, 39,392,911.95 and 15,492,819.25

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Solution

The fourth proportional to 28,545,560.15, 39,392,911.95 and 15,492,819.25 is: 21,380,111.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,545,560.15 : 39,392,911.95 = 15,492,819.25 : x
  2. Step 2: Convert to fraction form
    28,545,560.15/39,392,911.95 = 15,492,819.25/x
  3. Step 3: Cross multiply
    28,545,560.15x = 39,392,911.95 × 15,492,819.25
  4. Step 4: Simplify right side
    28,545,560.15x = 610,307,264,452,885.25
  5. Step 5: Solve for x
    x = 610,307,264,452,885.25/28,545,560.15
  6. Step 6: Final answer
    x = 21,380,111.70

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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.