Home / 31,854,009.70-47,792,824.35-12,698,514.10

Finding the Fourth Proportional to 31,854,009.70, 47,792,824.35 and 12,698,514.10

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Solution

The fourth proportional to 31,854,009.70, 47,792,824.35 and 12,698,514.10 is: 19,052,479.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,854,009.70 : 47,792,824.35 = 12,698,514.10 : x
  2. Step 2: Convert to fraction form
    31,854,009.70/47,792,824.35 = 12,698,514.10/x
  3. Step 3: Cross multiply
    31,854,009.70x = 47,792,824.35 × 12,698,514.10
  4. Step 4: Simplify right side
    31,854,009.70x = 606,897,853,887,298.38
  5. Step 5: Solve for x
    x = 606,897,853,887,298.38/31,854,009.70
  6. Step 6: Final answer
    x = 19,052,479.09

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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.