Home / 9,238,939.38-12,749,818.86-5,109,248.43

Finding the Fourth Proportional to 9,238,939.38, 12,749,818.86 and 5,109,248.43

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Solution

The fourth proportional to 9,238,939.38, 12,749,818.86 and 5,109,248.43 is: 7,050,808.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,238,939.38 : 12,749,818.86 = 5,109,248.43 : x
  2. Step 2: Convert to fraction form
    9,238,939.38/12,749,818.86 = 5,109,248.43/x
  3. Step 3: Cross multiply
    9,238,939.38x = 12,749,818.86 × 5,109,248.43
  4. Step 4: Simplify right side
    9,238,939.38x = 65,141,991,993,239.38
  5. Step 5: Solve for x
    x = 65,141,991,993,239.38/9,238,939.38
  6. Step 6: Final answer
    x = 7,050,808.47

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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.