Home / 10,366,988.20-15,550,482.30-9,275,237.80

Finding the Fourth Proportional to 10,366,988.20, 15,550,482.30 and 9,275,237.80

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Solution

The fourth proportional to 10,366,988.20, 15,550,482.30 and 9,275,237.80 is: 13,912,856.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366,988.20 : 15,550,482.30 = 9,275,237.80 : x
  2. Step 2: Convert to fraction form
    10,366,988.20/15,550,482.30 = 9,275,237.80/x
  3. Step 3: Cross multiply
    10,366,988.20x = 15,550,482.30 × 9,275,237.80
  4. Step 4: Simplify right side
    10,366,988.20x = 144,234,421,237,190.97
  5. Step 5: Solve for x
    x = 144,234,421,237,190.97/10,366,988.20
  6. Step 6: Final answer
    x = 13,912,856.70

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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.