Home / 7,129,308.20-10,693,962.30-6,345,487.40

Finding the Fourth Proportional to 7,129,308.20, 10,693,962.30 and 6,345,487.40

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Solution

The fourth proportional to 7,129,308.20, 10,693,962.30 and 6,345,487.40 is: 9,518,231.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,308.20 : 10,693,962.30 = 6,345,487.40 : x
  2. Step 2: Convert to fraction form
    7,129,308.20/10,693,962.30 = 6,345,487.40/x
  3. Step 3: Cross multiply
    7,129,308.20x = 10,693,962.30 × 6,345,487.40
  4. Step 4: Simplify right side
    7,129,308.20x = 67,858,403,030,725.03
  5. Step 5: Solve for x
    x = 67,858,403,030,725.03/7,129,308.20
  6. Step 6: Final answer
    x = 9,518,231.10

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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.