Home / 12,705,599.97-19,061,957.48-5,137,880.13

Finding the Fourth Proportional to 12,705,599.97, 19,061,957.48 and 5,137,880.13

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Solution

The fourth proportional to 12,705,599.97, 19,061,957.48 and 5,137,880.13 is: 7,708,258.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,705,599.97 : 19,061,957.48 = 5,137,880.13 : x
  2. Step 2: Convert to fraction form
    12,705,599.97/19,061,957.48 = 5,137,880.13/x
  3. Step 3: Cross multiply
    12,705,599.97x = 19,061,957.48 × 5,137,880.13
  4. Step 4: Simplify right side
    12,705,599.97x = 97,938,052,549,707.48
  5. Step 5: Solve for x
    x = 97,938,052,549,707.48/12,705,599.97
  6. Step 6: Final answer
    x = 7,708,258.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.