Home / 10,897,002.90-15,037,863.96-6,315,981.48

Finding the Fourth Proportional to 10,897,002.90, 15,037,863.96 and 6,315,981.48

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Solution

The fourth proportional to 10,897,002.90, 15,037,863.96 and 6,315,981.48 is: 8,716,054.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,897,002.90 : 15,037,863.96 = 6,315,981.48 : x
  2. Step 2: Convert to fraction form
    10,897,002.90/15,037,863.96 = 6,315,981.48/x
  3. Step 3: Cross multiply
    10,897,002.90x = 15,037,863.96 × 6,315,981.48
  4. Step 4: Simplify right side
    10,897,002.90x = 94,978,870,270,119.47
  5. Step 5: Solve for x
    x = 94,978,870,270,119.47/10,897,002.90
  6. Step 6: Final answer
    x = 8,716,054.42

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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.