Home / 12,260,894.60-18,359,849.10-9,720,475.40

Finding the Fourth Proportional to 12,260,894.60, 18,359,849.10 and 9,720,475.40

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Solution

The fourth proportional to 12,260,894.60, 18,359,849.10 and 9,720,475.40 is: 14,555,745.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260,894.60 : 18,359,849.10 = 9,720,475.40 : x
  2. Step 2: Convert to fraction form
    12,260,894.60/18,359,849.10 = 9,720,475.40/x
  3. Step 3: Cross multiply
    12,260,894.60x = 18,359,849.10 × 9,720,475.40
  4. Step 4: Simplify right side
    12,260,894.60x = 178,466,461,524,262.16
  5. Step 5: Solve for x
    x = 178,466,461,524,262.16/12,260,894.60
  6. Step 6: Final answer
    x = 14,555,745.51

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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.