Home / 21,204,337.47-31,777,079.73-9,661,595.80

Finding the Fourth Proportional to 21,204,337.47, 31,777,079.73 and 9,661,595.80

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Solution

The fourth proportional to 21,204,337.47, 31,777,079.73 and 9,661,595.80 is: 14,478,985.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,204,337.47 : 31,777,079.73 = 9,661,595.80 : x
  2. Step 2: Convert to fraction form
    21,204,337.47/31,777,079.73 = 9,661,595.80/x
  3. Step 3: Cross multiply
    21,204,337.47x = 31,777,079.73 × 9,661,595.80
  4. Step 4: Simplify right side
    21,204,337.47x = 307,017,299,999,541.44
  5. Step 5: Solve for x
    x = 307,017,299,999,541.44/21,204,337.47
  6. Step 6: Final answer
    x = 14,478,985.75

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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.