Home / 10,891,620.80-16,340,930.40-7,301,441.60

Finding the Fourth Proportional to 10,891,620.80, 16,340,930.40 and 7,301,441.60

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Solution

The fourth proportional to 10,891,620.80, 16,340,930.40 and 7,301,441.60 is: 10,954,508.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891,620.80 : 16,340,930.40 = 7,301,441.60 : x
  2. Step 2: Convert to fraction form
    10,891,620.80/16,340,930.40 = 7,301,441.60/x
  3. Step 3: Cross multiply
    10,891,620.80x = 16,340,930.40 × 7,301,441.60
  4. Step 4: Simplify right side
    10,891,620.80x = 119,312,349,005,264.64
  5. Step 5: Solve for x
    x = 119,312,349,005,264.64/10,891,620.80
  6. Step 6: Final answer
    x = 10,954,508.17

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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.