Home / 13,374,186.81-18,456,444.72-7,574,098.92

Finding the Fourth Proportional to 13,374,186.81, 18,456,444.72 and 7,574,098.92

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Solution

The fourth proportional to 13,374,186.81, 18,456,444.72 and 7,574,098.92 is: 10,452,294.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374,186.81 : 18,456,444.72 = 7,574,098.92 : x
  2. Step 2: Convert to fraction form
    13,374,186.81/18,456,444.72 = 7,574,098.92/x
  3. Step 3: Cross multiply
    13,374,186.81x = 18,456,444.72 × 7,574,098.92
  4. Step 4: Simplify right side
    13,374,186.81x = 139,790,938,020,791.69
  5. Step 5: Solve for x
    x = 139,790,938,020,791.69/13,374,186.81
  6. Step 6: Final answer
    x = 10,452,294.41

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Double scale
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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.