Home / 13,124,906.10-19,687,359.15-12,085,643.70

Finding the Fourth Proportional to 13,124,906.10, 19,687,359.15 and 12,085,643.70

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Solution

The fourth proportional to 13,124,906.10, 19,687,359.15 and 12,085,643.70 is: 18,128,465.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124,906.10 : 19,687,359.15 = 12,085,643.70 : x
  2. Step 2: Convert to fraction form
    13,124,906.10/19,687,359.15 = 12,085,643.70/x
  3. Step 3: Cross multiply
    13,124,906.10x = 19,687,359.15 × 12,085,643.70
  4. Step 4: Simplify right side
    13,124,906.10x = 237,934,408,080,834.81
  5. Step 5: Solve for x
    x = 237,934,408,080,834.81/13,124,906.10
  6. Step 6: Final answer
    x = 18,128,465.55

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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.