Home / 20,235,609.27-30,338,454.81-10,506,253.17

Finding the Fourth Proportional to 20,235,609.27, 30,338,454.81 and 10,506,253.17

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Solution

The fourth proportional to 20,235,609.27, 30,338,454.81 and 10,506,253.17 is: 15,751,613.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,235,609.27 : 30,338,454.81 = 10,506,253.17 : x
  2. Step 2: Convert to fraction form
    20,235,609.27/30,338,454.81 = 10,506,253.17/x
  3. Step 3: Cross multiply
    20,235,609.27x = 30,338,454.81 × 10,506,253.17
  4. Step 4: Simplify right side
    20,235,609.27x = 318,743,487,020,464.25
  5. Step 5: Solve for x
    x = 318,743,487,020,464.25/20,235,609.27
  6. Step 6: Final answer
    x = 15,751,613.05

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1.5x scale

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.