Home / 20,837,853.48-31,244,662.35-7,885,004.16

Finding the Fourth Proportional to 20,837,853.48, 31,244,662.35 and 7,885,004.16

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Solution

The fourth proportional to 20,837,853.48, 31,244,662.35 and 7,885,004.16 is: 11,822,920.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,837,853.48 : 31,244,662.35 = 7,885,004.16 : x
  2. Step 2: Convert to fraction form
    20,837,853.48/31,244,662.35 = 7,885,004.16/x
  3. Step 3: Cross multiply
    20,837,853.48x = 31,244,662.35 × 7,885,004.16
  4. Step 4: Simplify right side
    20,837,853.48x = 246,364,292,607,545.41
  5. Step 5: Solve for x
    x = 246,364,292,607,545.41/20,837,853.48
  6. Step 6: Final answer
    x = 11,822,920.86

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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.