Home / 31,752,040.80-47,628,061.20-11,554,658.40

Finding the Fourth Proportional to 31,752,040.80, 47,628,061.20 and 11,554,658.40

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Solution

The fourth proportional to 31,752,040.80, 47,628,061.20 and 11,554,658.40 is: 17,331,987.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,752,040.80 : 47,628,061.20 = 11,554,658.40 : x
  2. Step 2: Convert to fraction form
    31,752,040.80/47,628,061.20 = 11,554,658.40/x
  3. Step 3: Cross multiply
    31,752,040.80x = 47,628,061.20 × 11,554,658.40
  4. Step 4: Simplify right side
    31,752,040.80x = 550,325,977,420,294.12
  5. Step 5: Solve for x
    x = 550,325,977,420,294.12/31,752,040.80
  6. Step 6: Final answer
    x = 17,331,987.60

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1.5x scale

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.