Home / 31,525,319.20-47,287,978.80-11,332,602.40

Finding the Fourth Proportional to 31,525,319.20, 47,287,978.80 and 11,332,602.40

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Solution

The fourth proportional to 31,525,319.20, 47,287,978.80 and 11,332,602.40 is: 16,998,903.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,525,319.20 : 47,287,978.80 = 11,332,602.40 : x
  2. Step 2: Convert to fraction form
    31,525,319.20/47,287,978.80 = 11,332,602.40/x
  3. Step 3: Cross multiply
    31,525,319.20x = 47,287,978.80 × 11,332,602.40
  4. Step 4: Simplify right side
    31,525,319.20x = 535,895,862,040,029.12
  5. Step 5: Solve for x
    x = 535,895,862,040,029.12/31,525,319.20
  6. Step 6: Final answer
    x = 16,998,903.60

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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.