Home / 40,258,775.20-60,388,162.80-9,966,638.20

Finding the Fourth Proportional to 40,258,775.20, 60,388,162.80 and 9,966,638.20

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Solution

The fourth proportional to 40,258,775.20, 60,388,162.80 and 9,966,638.20 is: 14,949,957.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,258,775.20 : 60,388,162.80 = 9,966,638.20 : x
  2. Step 2: Convert to fraction form
    40,258,775.20/60,388,162.80 = 9,966,638.20/x
  3. Step 3: Cross multiply
    40,258,775.20x = 60,388,162.80 × 9,966,638.20
  4. Step 4: Simplify right side
    40,258,775.20x = 601,866,970,190,298.88
  5. Step 5: Solve for x
    x = 601,866,970,190,298.88/40,258,775.20
  6. Step 6: Final answer
    x = 14,949,957.30

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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.