Home / 10,931,630.40-16,397,445.60-3,839,918.40

Finding the Fourth Proportional to 10,931,630.40, 16,397,445.60 and 3,839,918.40

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Solution

The fourth proportional to 10,931,630.40, 16,397,445.60 and 3,839,918.40 is: 5,759,877.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,931,630.40 : 16,397,445.60 = 3,839,918.40 : x
  2. Step 2: Convert to fraction form
    10,931,630.40/16,397,445.60 = 3,839,918.40/x
  3. Step 3: Cross multiply
    10,931,630.40x = 16,397,445.60 × 3,839,918.40
  4. Step 4: Simplify right side
    10,931,630.40x = 62,964,853,072,439.04
  5. Step 5: Solve for x
    x = 62,964,853,072,439.04/10,931,630.40
  6. Step 6: Final answer
    x = 5,759,877.60

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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.