Home / 12,945,395.22-19,421,254.35-4,309,478.97

Finding the Fourth Proportional to 12,945,395.22, 19,421,254.35 and 4,309,478.97

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Solution

The fourth proportional to 12,945,395.22, 19,421,254.35 and 4,309,478.97 is: 6,465,270.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,945,395.22 : 19,421,254.35 = 4,309,478.97 : x
  2. Step 2: Convert to fraction form
    12,945,395.22/19,421,254.35 = 4,309,478.97/x
  3. Step 3: Cross multiply
    12,945,395.22x = 19,421,254.35 × 4,309,478.97
  4. Step 4: Simplify right side
    12,945,395.22x = 83,695,487,192,346.02
  5. Step 5: Solve for x
    x = 83,695,487,192,346.02/12,945,395.22
  6. Step 6: Final answer
    x = 6,465,270.91

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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.