Home / 6,619,937.20-9,929,905.80-6,312,007.60

Finding the Fourth Proportional to 6,619,937.20, 9,929,905.80 and 6,312,007.60

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Solution

The fourth proportional to 6,619,937.20, 9,929,905.80 and 6,312,007.60 is: 9,468,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619,937.20 : 9,929,905.80 = 6,312,007.60 : x
  2. Step 2: Convert to fraction form
    6,619,937.20/9,929,905.80 = 6,312,007.60/x
  3. Step 3: Cross multiply
    6,619,937.20x = 9,929,905.80 × 6,312,007.60
  4. Step 4: Simplify right side
    6,619,937.20x = 62,677,640,876,884.08
  5. Step 5: Solve for x
    x = 62,677,640,876,884.08/6,619,937.20
  6. Step 6: Final answer
    x = 9,468,011.40

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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.