Home / 31,549,034.69-47,318,815.83-9,980,833.91

Finding the Fourth Proportional to 31,549,034.69, 47,318,815.83 and 9,980,833.91

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Solution

The fourth proportional to 31,549,034.69, 47,318,815.83 and 9,980,833.91 is: 14,969,752.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,549,034.69 : 47,318,815.83 = 9,980,833.91 : x
  2. Step 2: Convert to fraction form
    31,549,034.69/47,318,815.83 = 9,980,833.91/x
  3. Step 3: Cross multiply
    31,549,034.69x = 47,318,815.83 × 9,980,833.91
  4. Step 4: Simplify right side
    31,549,034.69x = 472,281,241,617,108.81
  5. Step 5: Solve for x
    x = 472,281,241,617,108.81/31,549,034.69
  6. Step 6: Final answer
    x = 14,969,752.52

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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.