Home / 9,280,907.20-12,807,459.28-5,150,698.47

Finding the Fourth Proportional to 9,280,907.20, 12,807,459.28 and 5,150,698.47

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Solution

The fourth proportional to 9,280,907.20, 12,807,459.28 and 5,150,698.47 is: 7,107,856.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,280,907.20 : 12,807,459.28 = 5,150,698.47 : x
  2. Step 2: Convert to fraction form
    9,280,907.20/12,807,459.28 = 5,150,698.47/x
  3. Step 3: Cross multiply
    9,280,907.20x = 12,807,459.28 × 5,150,698.47
  4. Step 4: Simplify right side
    9,280,907.20x = 65,967,360,924,521.67
  5. Step 5: Solve for x
    x = 65,967,360,924,521.67/9,280,907.20
  6. Step 6: Final answer
    x = 7,107,856.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.