Home / 13,398,633.60-18,489,580.74-7,287,066.96

Finding the Fourth Proportional to 13,398,633.60, 18,489,580.74 and 7,287,066.96

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Solution

The fourth proportional to 13,398,633.60, 18,489,580.74 and 7,287,066.96 is: 10,055,862.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,398,633.60 : 18,489,580.74 = 7,287,066.96 : x
  2. Step 2: Convert to fraction form
    13,398,633.60/18,489,580.74 = 7,287,066.96/x
  3. Step 3: Cross multiply
    13,398,633.60x = 18,489,580.74 × 7,287,066.96
  4. Step 4: Simplify right side
    13,398,633.60x = 134,734,812,914,706.34
  5. Step 5: Solve for x
    x = 134,734,812,914,706.34/13,398,633.60
  6. Step 6: Final answer
    x = 10,055,862.18

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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.