Home / 18,862,720.17-28,294,076.61-8,073,024.45

Finding the Fourth Proportional to 18,862,720.17, 28,294,076.61 and 8,073,024.45

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Solution

The fourth proportional to 18,862,720.17, 28,294,076.61 and 8,073,024.45 is: 12,109,535.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,862,720.17 : 28,294,076.61 = 8,073,024.45 : x
  2. Step 2: Convert to fraction form
    18,862,720.17/28,294,076.61 = 8,073,024.45/x
  3. Step 3: Cross multiply
    18,862,720.17x = 28,294,076.61 × 8,073,024.45
  4. Step 4: Simplify right side
    18,862,720.17x = 228,418,772,262,703.12
  5. Step 5: Solve for x
    x = 228,418,772,262,703.12/18,862,720.17
  6. Step 6: Final answer
    x = 12,109,535.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.