Home / 19,681,851.20-27,160,966.20-10,980,023.84

Finding the Fourth Proportional to 19,681,851.20, 27,160,966.20 and 10,980,023.84

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Solution

The fourth proportional to 19,681,851.20, 27,160,966.20 and 10,980,023.84 is: 15,152,439.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681,851.20 : 27,160,966.20 = 10,980,023.84 : x
  2. Step 2: Convert to fraction form
    19,681,851.20/27,160,966.20 = 10,980,023.84/x
  3. Step 3: Cross multiply
    19,681,851.20x = 27,160,966.20 × 10,980,023.84
  4. Step 4: Simplify right side
    19,681,851.20x = 298,228,056,393,434.19
  5. Step 5: Solve for x
    x = 298,228,056,393,434.19/19,681,851.20
  6. Step 6: Final answer
    x = 15,152,439.34

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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.