Home / 13,122,511.20-19,683,766.80-5,144,335.20

Finding the Fourth Proportional to 13,122,511.20, 19,683,766.80 and 5,144,335.20

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Solution

The fourth proportional to 13,122,511.20, 19,683,766.80 and 5,144,335.20 is: 7,716,502.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,511.20 : 19,683,766.80 = 5,144,335.20 : x
  2. Step 2: Convert to fraction form
    13,122,511.20/19,683,766.80 = 5,144,335.20/x
  3. Step 3: Cross multiply
    13,122,511.20x = 19,683,766.80 × 5,144,335.20
  4. Step 4: Simplify right side
    13,122,511.20x = 101,259,894,417,831.38
  5. Step 5: Solve for x
    x = 101,259,894,417,831.38/13,122,511.20
  6. Step 6: Final answer
    x = 7,716,502.80

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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.