Home / 32,390,616.80-48,585,925.20-13,215,000.80

Finding the Fourth Proportional to 32,390,616.80, 48,585,925.20 and 13,215,000.80

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Solution

The fourth proportional to 32,390,616.80, 48,585,925.20 and 13,215,000.80 is: 19,822,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,390,616.80 : 48,585,925.20 = 13,215,000.80 : x
  2. Step 2: Convert to fraction form
    32,390,616.80/48,585,925.20 = 13,215,000.80/x
  3. Step 3: Cross multiply
    32,390,616.80x = 48,585,925.20 × 13,215,000.80
  4. Step 4: Simplify right side
    32,390,616.80x = 642,063,040,386,740.25
  5. Step 5: Solve for x
    x = 642,063,040,386,740.25/32,390,616.80
  6. Step 6: Final answer
    x = 19,822,501.20

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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.