Home / 10,868,430.40-16,304,613.90-5,463,478.60

Finding the Fourth Proportional to 10,868,430.40, 16,304,613.90 and 5,463,478.60

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Solution

The fourth proportional to 10,868,430.40, 16,304,613.90 and 5,463,478.60 is: 8,196,207.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,868,430.40 : 16,304,613.90 = 5,463,478.60 : x
  2. Step 2: Convert to fraction form
    10,868,430.40/16,304,613.90 = 5,463,478.60/x
  3. Step 3: Cross multiply
    10,868,430.40x = 16,304,613.90 × 5,463,478.60
  4. Step 4: Simplify right side
    10,868,430.40x = 89,079,909,123,912.53
  5. Step 5: Solve for x
    x = 89,079,909,123,912.53/10,868,430.40
  6. Step 6: Final answer
    x = 8,196,207.35

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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.