Home / 13,570,428.16-18,726,949.20-7,458,855.04

Finding the Fourth Proportional to 13,570,428.16, 18,726,949.20 and 7,458,855.04

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Solution

The fourth proportional to 13,570,428.16, 18,726,949.20 and 7,458,855.04 is: 10,293,087.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,570,428.16 : 18,726,949.20 = 7,458,855.04 : x
  2. Step 2: Convert to fraction form
    13,570,428.16/18,726,949.20 = 7,458,855.04/x
  3. Step 3: Cross multiply
    13,570,428.16x = 18,726,949.20 × 7,458,855.04
  4. Step 4: Simplify right side
    13,570,428.16x = 139,681,599,424,243.97
  5. Step 5: Solve for x
    x = 139,681,599,424,243.97/13,570,428.16
  6. Step 6: Final answer
    x = 10,293,087.13

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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.