Home / 10,079,681.91-15,115,318.95-3,161,378.83

Finding the Fourth Proportional to 10,079,681.91, 15,115,318.95 and 3,161,378.83

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Solution

The fourth proportional to 10,079,681.91, 15,115,318.95 and 3,161,378.83 is: 4,740,749.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079,681.91 : 15,115,318.95 = 3,161,378.83 : x
  2. Step 2: Convert to fraction form
    10,079,681.91/15,115,318.95 = 3,161,378.83/x
  3. Step 3: Cross multiply
    10,079,681.91x = 15,115,318.95 × 3,161,378.83
  4. Step 4: Simplify right side
    10,079,681.91x = 47,785,249,288,234.29
  5. Step 5: Solve for x
    x = 47,785,249,288,234.29/10,079,681.91
  6. Step 6: Final answer
    x = 4,740,749.73

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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.