Home / 13,424,913.12-18,526,212.88-7,313,210.40

Finding the Fourth Proportional to 13,424,913.12, 18,526,212.88 and 7,313,210.40

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Solution

The fourth proportional to 13,424,913.12, 18,526,212.88 and 7,313,210.40 is: 10,092,139.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,424,913.12 : 18,526,212.88 = 7,313,210.40 : x
  2. Step 2: Convert to fraction form
    13,424,913.12/18,526,212.88 = 7,313,210.40/x
  3. Step 3: Cross multiply
    13,424,913.12x = 18,526,212.88 × 7,313,210.40
  4. Step 4: Simplify right side
    13,424,913.12x = 135,486,092,706,629.95
  5. Step 5: Solve for x
    x = 135,486,092,706,629.95/13,424,913.12
  6. Step 6: Final answer
    x = 10,092,139.26

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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.