Home / 12,946,530.48-17,866,249.95-7,066,218.84

Finding the Fourth Proportional to 12,946,530.48, 17,866,249.95 and 7,066,218.84

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Solution

The fourth proportional to 12,946,530.48, 17,866,249.95 and 7,066,218.84 is: 9,751,402.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946,530.48 : 17,866,249.95 = 7,066,218.84 : x
  2. Step 2: Convert to fraction form
    12,946,530.48/17,866,249.95 = 7,066,218.84/x
  3. Step 3: Cross multiply
    12,946,530.48x = 17,866,249.95 × 7,066,218.84
  4. Step 4: Simplify right side
    12,946,530.48x = 126,246,831,996,839.05
  5. Step 5: Solve for x
    x = 126,246,831,996,839.05/12,946,530.48
  6. Step 6: Final answer
    x = 9,751,402.68

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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.