Home / 8,724,230.20-12,031,600.10-5,461,342.40

Finding the Fourth Proportional to 8,724,230.20, 12,031,600.10 and 5,461,342.40

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Solution

The fourth proportional to 8,724,230.20, 12,031,600.10 and 5,461,342.40 is: 7,531,746.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724,230.20 : 12,031,600.10 = 5,461,342.40 : x
  2. Step 2: Convert to fraction form
    8,724,230.20/12,031,600.10 = 5,461,342.40/x
  3. Step 3: Cross multiply
    8,724,230.20x = 12,031,600.10 × 5,461,342.40
  4. Step 4: Simplify right side
    8,724,230.20x = 65,708,687,765,974.24
  5. Step 5: Solve for x
    x = 65,708,687,765,974.24/8,724,230.20
  6. Step 6: Final answer
    x = 7,531,746.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.