Home / 10,500,239.95-15,750,359.93-7,630,458.55

Finding the Fourth Proportional to 10,500,239.95, 15,750,359.93 and 7,630,458.55

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Solution

The fourth proportional to 10,500,239.95, 15,750,359.93 and 7,630,458.55 is: 11,445,687.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,500,239.95 : 15,750,359.93 = 7,630,458.55 : x
  2. Step 2: Convert to fraction form
    10,500,239.95/15,750,359.93 = 7,630,458.55/x
  3. Step 3: Cross multiply
    10,500,239.95x = 15,750,359.93 × 7,630,458.55
  4. Step 4: Simplify right side
    10,500,239.95x = 120,182,468,555,293.61
  5. Step 5: Solve for x
    x = 120,182,468,555,293.61/10,500,239.95
  6. Step 6: Final answer
    x = 11,445,687.83

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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.