Home / 20,926,748.28-31,391,344.08-6,354,143.19

Finding the Fourth Proportional to 20,926,748.28, 31,391,344.08 and 6,354,143.19

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Solution

The fourth proportional to 20,926,748.28, 31,391,344.08 and 6,354,143.19 is: 9,531,585.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,926,748.28 : 31,391,344.08 = 6,354,143.19 : x
  2. Step 2: Convert to fraction form
    20,926,748.28/31,391,344.08 = 6,354,143.19/x
  3. Step 3: Cross multiply
    20,926,748.28x = 31,391,344.08 × 6,354,143.19
  4. Step 4: Simplify right side
    20,926,748.28x = 199,465,095,210,878.81
  5. Step 5: Solve for x
    x = 199,465,095,210,878.81/20,926,748.28
  6. Step 6: Final answer
    x = 9,531,585.73

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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.