Home / 34,165,134.51-47,105,117.91-28,515,338.48

Finding the Fourth Proportional to 34,165,134.51, 47,105,117.91 and 28,515,338.48

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Solution

The fourth proportional to 34,165,134.51, 47,105,117.91 and 28,515,338.48 is: 39,315,471.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,165,134.51 : 47,105,117.91 = 28,515,338.48 : x
  2. Step 2: Convert to fraction form
    34,165,134.51/47,105,117.91 = 28,515,338.48/x
  3. Step 3: Cross multiply
    34,165,134.51x = 47,105,117.91 × 28,515,338.48
  4. Step 4: Simplify right side
    34,165,134.51x = 1,343,218,381,108,434.50
  5. Step 5: Solve for x
    x = 1,343,218,381,108,434.50/34,165,134.51
  6. Step 6: Final answer
    x = 39,315,471.76

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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.