Home / 10,120,290.36-15,175,871.52-5,000,724.28

Finding the Fourth Proportional to 10,120,290.36, 15,175,871.52 and 5,000,724.28

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Solution

The fourth proportional to 10,120,290.36, 15,175,871.52 and 5,000,724.28 is: 7,498,831.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120,290.36 : 15,175,871.52 = 5,000,724.28 : x
  2. Step 2: Convert to fraction form
    10,120,290.36/15,175,871.52 = 5,000,724.28/x
  3. Step 3: Cross multiply
    10,120,290.36x = 15,175,871.52 × 5,000,724.28
  4. Step 4: Simplify right side
    10,120,290.36x = 75,890,349,180,224.50
  5. Step 5: Solve for x
    x = 75,890,349,180,224.50/10,120,290.36
  6. Step 6: Final answer
    x = 7,498,831.21

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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.