Home / 14,997,537.28-20,696,498.40-8,121,862.08

Finding the Fourth Proportional to 14,997,537.28, 20,696,498.40 and 8,121,862.08

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Solution

The fourth proportional to 14,997,537.28, 20,696,498.40 and 8,121,862.08 is: 11,208,113.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,997,537.28 : 20,696,498.40 = 8,121,862.08 : x
  2. Step 2: Convert to fraction form
    14,997,537.28/20,696,498.40 = 8,121,862.08/x
  3. Step 3: Cross multiply
    14,997,537.28x = 20,696,498.40 × 8,121,862.08
  4. Step 4: Simplify right side
    14,997,537.28x = 168,094,105,543,740.66
  5. Step 5: Solve for x
    x = 168,094,105,543,740.66/14,997,537.28
  6. Step 6: Final answer
    x = 11,208,113.87

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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.