Home / 13,124,936.10-19,687,404.15-12,085,673.70

Finding the Fourth Proportional to 13,124,936.10, 19,687,404.15 and 12,085,673.70

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Solution

The fourth proportional to 13,124,936.10, 19,687,404.15 and 12,085,673.70 is: 18,128,510.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124,936.10 : 19,687,404.15 = 12,085,673.70 : x
  2. Step 2: Convert to fraction form
    13,124,936.10/19,687,404.15 = 12,085,673.70/x
  3. Step 3: Cross multiply
    13,124,936.10x = 19,687,404.15 × 12,085,673.70
  4. Step 4: Simplify right side
    13,124,936.10x = 237,935,542,556,925.81
  5. Step 5: Solve for x
    x = 237,935,542,556,925.81/13,124,936.10
  6. Step 6: Final answer
    x = 18,128,510.55

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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.