Home / 31,920,904.80-47,849,864.40-15,733,605.60

Finding the Fourth Proportional to 31,920,904.80, 47,849,864.40 and 15,733,605.60

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Solution

The fourth proportional to 31,920,904.80, 47,849,864.40 and 15,733,605.60 is: 23,584,885.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,920,904.80 : 47,849,864.40 = 15,733,605.60 : x
  2. Step 2: Convert to fraction form
    31,920,904.80/47,849,864.40 = 15,733,605.60/x
  3. Step 3: Cross multiply
    31,920,904.80x = 47,849,864.40 × 15,733,605.60
  4. Step 4: Simplify right side
    31,920,904.80x = 752,850,894,483,080.62
  5. Step 5: Solve for x
    x = 752,850,894,483,080.62/31,920,904.80
  6. Step 6: Final answer
    x = 23,584,885.80

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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.