Home / 13,478,451.49-18,600,262.08-7,283,500.97

Finding the Fourth Proportional to 13,478,451.49, 18,600,262.08 and 7,283,500.97

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Solution

The fourth proportional to 13,478,451.49, 18,600,262.08 and 7,283,500.97 is: 10,051,230.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,478,451.49 : 18,600,262.08 = 7,283,500.97 : x
  2. Step 2: Convert to fraction form
    13,478,451.49/18,600,262.08 = 7,283,500.97/x
  3. Step 3: Cross multiply
    13,478,451.49x = 18,600,262.08 × 7,283,500.97
  4. Step 4: Simplify right side
    13,478,451.49x = 135,475,026,901,934.20
  5. Step 5: Solve for x
    x = 135,475,026,901,934.20/13,478,451.49
  6. Step 6: Final answer
    x = 10,051,230.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.