Home / 12,697,343.35-19,041,141.20-5,406,180.48

Finding the Fourth Proportional to 12,697,343.35, 19,041,141.20 and 5,406,180.48

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Solution

The fourth proportional to 12,697,343.35, 19,041,141.20 and 5,406,180.48 is: 8,107,195.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,697,343.35 : 19,041,141.20 = 5,406,180.48 : x
  2. Step 2: Convert to fraction form
    12,697,343.35/19,041,141.20 = 5,406,180.48/x
  3. Step 3: Cross multiply
    12,697,343.35x = 19,041,141.20 × 5,406,180.48
  4. Step 4: Simplify right side
    12,697,343.35x = 102,939,845,845,332.89
  5. Step 5: Solve for x
    x = 102,939,845,845,332.89/12,697,343.35
  6. Step 6: Final answer
    x = 8,107,195.58

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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.