Home / 31,950,211.60-47,932,315.80-10,381,142.80

Finding the Fourth Proportional to 31,950,211.60, 47,932,315.80 and 10,381,142.80

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Solution

The fourth proportional to 31,950,211.60, 47,932,315.80 and 10,381,142.80 is: 15,573,988.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,950,211.60 : 47,932,315.80 = 10,381,142.80 : x
  2. Step 2: Convert to fraction form
    31,950,211.60/47,932,315.80 = 10,381,142.80/x
  3. Step 3: Cross multiply
    31,950,211.60x = 47,932,315.80 × 10,381,142.80
  4. Step 4: Simplify right side
    31,950,211.60x = 497,592,215,054,496.25
  5. Step 5: Solve for x
    x = 497,592,215,054,496.25/31,950,211.60
  6. Step 6: Final answer
    x = 15,573,988.09

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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.