Home / 9,928,429.20-13,701,233.52-5,518,154.16

Finding the Fourth Proportional to 9,928,429.20, 13,701,233.52 and 5,518,154.16

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Solution

The fourth proportional to 9,928,429.20, 13,701,233.52 and 5,518,154.16 is: 7,615,053.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,928,429.20 : 13,701,233.52 = 5,518,154.16 : x
  2. Step 2: Convert to fraction form
    9,928,429.20/13,701,233.52 = 5,518,154.16/x
  3. Step 3: Cross multiply
    9,928,429.20x = 13,701,233.52 × 5,518,154.16
  4. Step 4: Simplify right side
    9,928,429.20x = 75,605,518,745,519.44
  5. Step 5: Solve for x
    x = 75,605,518,745,519.44/9,928,429.20
  6. Step 6: Final answer
    x = 7,615,053.42

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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.