Home / 13,151,010.06-18,148,420.20-7,349,791.64

Finding the Fourth Proportional to 13,151,010.06, 18,148,420.20 and 7,349,791.64

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Solution

The fourth proportional to 13,151,010.06, 18,148,420.20 and 7,349,791.64 is: 10,142,727.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,151,010.06 : 18,148,420.20 = 7,349,791.64 : x
  2. Step 2: Convert to fraction form
    13,151,010.06/18,148,420.20 = 7,349,791.64/x
  3. Step 3: Cross multiply
    13,151,010.06x = 18,148,420.20 × 7,349,791.64
  4. Step 4: Simplify right side
    13,151,010.06x = 133,387,106,974,425.02
  5. Step 5: Solve for x
    x = 133,387,106,974,425.02/13,151,010.06
  6. Step 6: Final answer
    x = 10,142,727.16

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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.