Home / 10,986,811.20-16,487,215.20-6,437,851.20

Finding the Fourth Proportional to 10,986,811.20, 16,487,215.20 and 6,437,851.20

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Solution

The fourth proportional to 10,986,811.20, 16,487,215.20 and 6,437,851.20 is: 9,660,877.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986,811.20 : 16,487,215.20 = 6,437,851.20 : x
  2. Step 2: Convert to fraction form
    10,986,811.20/16,487,215.20 = 6,437,851.20/x
  3. Step 3: Cross multiply
    10,986,811.20x = 16,487,215.20 × 6,437,851.20
  4. Step 4: Simplify right side
    10,986,811.20x = 106,142,238,159,978.23
  5. Step 5: Solve for x
    x = 106,142,238,159,978.23/10,986,811.20
  6. Step 6: Final answer
    x = 9,660,877.59

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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.