Home / 31,505,959.80-47,258,939.70-7,571,431.80

Finding the Fourth Proportional to 31,505,959.80, 47,258,939.70 and 7,571,431.80

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Solution

The fourth proportional to 31,505,959.80, 47,258,939.70 and 7,571,431.80 is: 11,357,147.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,505,959.80 : 47,258,939.70 = 7,571,431.80 : x
  2. Step 2: Convert to fraction form
    31,505,959.80/47,258,939.70 = 7,571,431.80/x
  3. Step 3: Cross multiply
    31,505,959.80x = 47,258,939.70 × 7,571,431.80
  4. Step 4: Simplify right side
    31,505,959.80x = 357,817,838,878,862.50
  5. Step 5: Solve for x
    x = 357,817,838,878,862.50/31,505,959.80
  6. Step 6: Final answer
    x = 11,357,147.70

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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.