Home / 16,543,364.40-24,815,046.60-12,716,989.20

Finding the Fourth Proportional to 16,543,364.40, 24,815,046.60 and 12,716,989.20

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Solution

The fourth proportional to 16,543,364.40, 24,815,046.60 and 12,716,989.20 is: 19,075,483.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,543,364.40 : 24,815,046.60 = 12,716,989.20 : x
  2. Step 2: Convert to fraction form
    16,543,364.40/24,815,046.60 = 12,716,989.20/x
  3. Step 3: Cross multiply
    16,543,364.40x = 24,815,046.60 × 12,716,989.20
  4. Step 4: Simplify right side
    16,543,364.40x = 315,572,679,609,696.75
  5. Step 5: Solve for x
    x = 315,572,679,609,696.75/16,543,364.40
  6. Step 6: Final answer
    x = 19,075,483.80

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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.