Home / 8,304,421.40-12,456,632.10-7,406,876.60

Finding the Fourth Proportional to 8,304,421.40, 12,456,632.10 and 7,406,876.60

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Solution

The fourth proportional to 8,304,421.40, 12,456,632.10 and 7,406,876.60 is: 11,110,314.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,304,421.40 : 12,456,632.10 = 7,406,876.60 : x
  2. Step 2: Convert to fraction form
    8,304,421.40/12,456,632.10 = 7,406,876.60/x
  3. Step 3: Cross multiply
    8,304,421.40x = 12,456,632.10 × 7,406,876.60
  4. Step 4: Simplify right side
    8,304,421.40x = 92,264,736,816,298.86
  5. Step 5: Solve for x
    x = 92,264,736,816,298.86/8,304,421.40
  6. Step 6: Final answer
    x = 11,110,314.90

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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.