Home / 8,720,780.40-12,034,583.28-4,853,236.32

Finding the Fourth Proportional to 8,720,780.40, 12,034,583.28 and 4,853,236.32

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Solution

The fourth proportional to 8,720,780.40, 12,034,583.28 and 4,853,236.32 is: 6,697,413.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,720,780.40 : 12,034,583.28 = 4,853,236.32 : x
  2. Step 2: Convert to fraction form
    8,720,780.40/12,034,583.28 = 4,853,236.32/x
  3. Step 3: Cross multiply
    8,720,780.40x = 12,034,583.28 × 4,853,236.32
  4. Step 4: Simplify right side
    8,720,780.40x = 58,406,676,670,560.73
  5. Step 5: Solve for x
    x = 58,406,676,670,560.73/8,720,780.40
  6. Step 6: Final answer
    x = 6,697,413.99

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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.