Home / 13,225,642.52-18,251,991.46-7,345,299.72

Finding the Fourth Proportional to 13,225,642.52, 18,251,991.46 and 7,345,299.72

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Solution

The fourth proportional to 13,225,642.52, 18,251,991.46 and 7,345,299.72 is: 10,136,849.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,225,642.52 : 18,251,991.46 = 7,345,299.72 : x
  2. Step 2: Convert to fraction form
    13,225,642.52/18,251,991.46 = 7,345,299.72/x
  3. Step 3: Cross multiply
    13,225,642.52x = 18,251,991.46 × 7,345,299.72
  4. Step 4: Simplify right side
    13,225,642.52x = 134,066,347,760,580.39
  5. Step 5: Solve for x
    x = 134,066,347,760,580.39/13,225,642.52
  6. Step 6: Final answer
    x = 10,136,849.50

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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.