Home / 9,662,118.17-13,340,143.70-7,422,907.59

Finding the Fourth Proportional to 9,662,118.17, 13,340,143.70 and 7,422,907.59

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Solution

The fourth proportional to 9,662,118.17, 13,340,143.70 and 7,422,907.59 is: 10,248,545.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,662,118.17 : 13,340,143.70 = 7,422,907.59 : x
  2. Step 2: Convert to fraction form
    9,662,118.17/13,340,143.70 = 7,422,907.59/x
  3. Step 3: Cross multiply
    9,662,118.17x = 13,340,143.70 × 7,422,907.59
  4. Step 4: Simplify right side
    9,662,118.17x = 99,022,653,913,142.05
  5. Step 5: Solve for x
    x = 99,022,653,913,142.05/9,662,118.17
  6. Step 6: Final answer
    x = 10,248,545.11

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Double scale
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1.5x scale

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.