Home / 31,590,657.60-47,385,986.40-16,442,620.80

Finding the Fourth Proportional to 31,590,657.60, 47,385,986.40 and 16,442,620.80

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Solution

The fourth proportional to 31,590,657.60, 47,385,986.40 and 16,442,620.80 is: 24,663,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,590,657.60 : 47,385,986.40 = 16,442,620.80 : x
  2. Step 2: Convert to fraction form
    31,590,657.60/47,385,986.40 = 16,442,620.80/x
  3. Step 3: Cross multiply
    31,590,657.60x = 47,385,986.40 × 16,442,620.80
  4. Step 4: Simplify right side
    31,590,657.60x = 779,149,805,609,157.12
  5. Step 5: Solve for x
    x = 779,149,805,609,157.12/31,590,657.60
  6. Step 6: Final answer
    x = 24,663,931.20

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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.