Home / 10,132,631.40-15,210,006.30-5,653,655.40

Finding the Fourth Proportional to 10,132,631.40, 15,210,006.30 and 5,653,655.40

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Solution

The fourth proportional to 10,132,631.40, 15,210,006.30 and 5,653,655.40 is: 8,486,653.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132,631.40 : 15,210,006.30 = 5,653,655.40 : x
  2. Step 2: Convert to fraction form
    10,132,631.40/15,210,006.30 = 5,653,655.40/x
  3. Step 3: Cross multiply
    10,132,631.40x = 15,210,006.30 × 5,653,655.40
  4. Step 4: Simplify right side
    10,132,631.40x = 85,992,134,252,029.03
  5. Step 5: Solve for x
    x = 85,992,134,252,029.03/10,132,631.40
  6. Step 6: Final answer
    x = 8,486,653.75

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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.