Home / 13,019,279.10-19,532,029.05-6,282,152.70

Finding the Fourth Proportional to 13,019,279.10, 19,532,029.05 and 6,282,152.70

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Solution

The fourth proportional to 13,019,279.10, 19,532,029.05 and 6,282,152.70 is: 9,424,729.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,019,279.10 : 19,532,029.05 = 6,282,152.70 : x
  2. Step 2: Convert to fraction form
    13,019,279.10/19,532,029.05 = 6,282,152.70/x
  3. Step 3: Cross multiply
    13,019,279.10x = 19,532,029.05 × 6,282,152.70
  4. Step 4: Simplify right side
    13,019,279.10x = 122,703,189,032,935.94
  5. Step 5: Solve for x
    x = 122,703,189,032,935.94/13,019,279.10
  6. Step 6: Final answer
    x = 9,424,729.90

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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.