Home / 47,390,763.88-71,038,288.86-18,657,067.24

Finding the Fourth Proportional to 47,390,763.88, 71,038,288.86 and 18,657,067.24

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Solution

The fourth proportional to 47,390,763.88, 71,038,288.86 and 18,657,067.24 is: 27,966,760.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,390,763.88 : 71,038,288.86 = 18,657,067.24 : x
  2. Step 2: Convert to fraction form
    47,390,763.88/71,038,288.86 = 18,657,067.24/x
  3. Step 3: Cross multiply
    47,390,763.88x = 71,038,288.86 × 18,657,067.24
  4. Step 4: Simplify right side
    47,390,763.88x = 1,325,366,131,875,562.75
  5. Step 5: Solve for x
    x = 1,325,366,131,875,562.75/47,390,763.88
  6. Step 6: Final answer
    x = 27,966,760.26

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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.