Home / 10,971,017.88-15,140,048.22-6,390,487.32

Finding the Fourth Proportional to 10,971,017.88, 15,140,048.22 and 6,390,487.32

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Solution

The fourth proportional to 10,971,017.88, 15,140,048.22 and 6,390,487.32 is: 8,818,897.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,971,017.88 : 15,140,048.22 = 6,390,487.32 : x
  2. Step 2: Convert to fraction form
    10,971,017.88/15,140,048.22 = 6,390,487.32/x
  3. Step 3: Cross multiply
    10,971,017.88x = 15,140,048.22 × 6,390,487.32
  4. Step 4: Simplify right side
    10,971,017.88x = 96,752,286,174,098.58
  5. Step 5: Solve for x
    x = 96,752,286,174,098.58/10,971,017.88
  6. Step 6: Final answer
    x = 8,818,897.87

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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.