Home / 10,366,973.20-15,550,459.80-9,275,222.80

Finding the Fourth Proportional to 10,366,973.20, 15,550,459.80 and 9,275,222.80

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Solution

The fourth proportional to 10,366,973.20, 15,550,459.80 and 9,275,222.80 is: 13,912,834.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366,973.20 : 15,550,459.80 = 9,275,222.80 : x
  2. Step 2: Convert to fraction form
    10,366,973.20/15,550,459.80 = 9,275,222.80/x
  3. Step 3: Cross multiply
    10,366,973.20x = 15,550,459.80 × 9,275,222.80
  4. Step 4: Simplify right side
    10,366,973.20x = 144,233,979,287,443.47
  5. Step 5: Solve for x
    x = 144,233,979,287,443.47/10,366,973.20
  6. Step 6: Final answer
    x = 13,912,834.20

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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.