Home / 13,693,155.04-18,897,143.92-7,581,583.20

Finding the Fourth Proportional to 13,693,155.04, 18,897,143.92 and 7,581,583.20

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Solution

The fourth proportional to 13,693,155.04, 18,897,143.92 and 7,581,583.20 is: 10,462,911.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,693,155.04 : 18,897,143.92 = 7,581,583.20 : x
  2. Step 2: Convert to fraction form
    13,693,155.04/18,897,143.92 = 7,581,583.20/x
  3. Step 3: Cross multiply
    13,693,155.04x = 18,897,143.92 × 7,581,583.20
  4. Step 4: Simplify right side
    13,693,155.04x = 143,270,268,871,854.16
  5. Step 5: Solve for x
    x = 143,270,268,871,854.16/13,693,155.04
  6. Step 6: Final answer
    x = 10,462,911.47

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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.