Home / 13,642,965.33-18,827,248.05-7,448,088.60

Finding the Fourth Proportional to 13,642,965.33, 18,827,248.05 and 7,448,088.60

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Solution

The fourth proportional to 13,642,965.33, 18,827,248.05 and 7,448,088.60 is: 10,278,338.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,642,965.33 : 18,827,248.05 = 7,448,088.60 : x
  2. Step 2: Convert to fraction form
    13,642,965.33/18,827,248.05 = 7,448,088.60/x
  3. Step 3: Cross multiply
    13,642,965.33x = 18,827,248.05 × 7,448,088.60
  4. Step 4: Simplify right side
    13,642,965.33x = 140,227,011,570,577.23
  5. Step 5: Solve for x
    x = 140,227,011,570,577.23/13,642,965.33
  6. Step 6: Final answer
    x = 10,278,338.19

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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.