Home / 10,334,462.90-15,501,694.35-8,421,275.30

Finding the Fourth Proportional to 10,334,462.90, 15,501,694.35 and 8,421,275.30

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Solution

The fourth proportional to 10,334,462.90, 15,501,694.35 and 8,421,275.30 is: 12,631,912.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,334,462.90 : 15,501,694.35 = 8,421,275.30 : x
  2. Step 2: Convert to fraction form
    10,334,462.90/15,501,694.35 = 8,421,275.30/x
  3. Step 3: Cross multiply
    10,334,462.90x = 15,501,694.35 × 8,421,275.30
  4. Step 4: Simplify right side
    10,334,462.90x = 130,544,035,737,804.56
  5. Step 5: Solve for x
    x = 130,544,035,737,804.56/10,334,462.90
  6. Step 6: Final answer
    x = 12,631,912.95

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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.