Home / 25,920,934.20-38,881,401.30-16,378,615.80

Finding the Fourth Proportional to 25,920,934.20, 38,881,401.30 and 16,378,615.80

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Solution

The fourth proportional to 25,920,934.20, 38,881,401.30 and 16,378,615.80 is: 24,567,923.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,920,934.20 : 38,881,401.30 = 16,378,615.80 : x
  2. Step 2: Convert to fraction form
    25,920,934.20/38,881,401.30 = 16,378,615.80/x
  3. Step 3: Cross multiply
    25,920,934.20x = 38,881,401.30 × 16,378,615.80
  4. Step 4: Simplify right side
    25,920,934.20x = 636,823,533,658,320.50
  5. Step 5: Solve for x
    x = 636,823,533,658,320.50/25,920,934.20
  6. Step 6: Final answer
    x = 24,567,923.70

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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.