Home / 8,803,631.20-13,205,446.80-5,780,322.40

Finding the Fourth Proportional to 8,803,631.20, 13,205,446.80 and 5,780,322.40

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Solution

The fourth proportional to 8,803,631.20, 13,205,446.80 and 5,780,322.40 is: 8,670,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,803,631.20 : 13,205,446.80 = 5,780,322.40 : x
  2. Step 2: Convert to fraction form
    8,803,631.20/13,205,446.80 = 5,780,322.40/x
  3. Step 3: Cross multiply
    8,803,631.20x = 13,205,446.80 × 5,780,322.40
  4. Step 4: Simplify right side
    8,803,631.20x = 76,331,739,940,048.33
  5. Step 5: Solve for x
    x = 76,331,739,940,048.33/8,803,631.20
  6. Step 6: Final answer
    x = 8,670,483.60

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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.