Home / 13,480,294.66-18,598,264.41-7,674,968.78

Finding the Fourth Proportional to 13,480,294.66, 18,598,264.41 and 7,674,968.78

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Solution

The fourth proportional to 13,480,294.66, 18,598,264.41 and 7,674,968.78 is: 10,588,870.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480,294.66 : 18,598,264.41 = 7,674,968.78 : x
  2. Step 2: Convert to fraction form
    13,480,294.66/18,598,264.41 = 7,674,968.78/x
  3. Step 3: Cross multiply
    13,480,294.66x = 18,598,264.41 × 7,674,968.78
  4. Step 4: Simplify right side
    13,480,294.66x = 142,741,098,708,935.12
  5. Step 5: Solve for x
    x = 142,741,098,708,935.12/13,480,294.66
  6. Step 6: Final answer
    x = 10,588,870.82

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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.