Home / 26,838,631.40-40,257,947.10-12,456,919.40

Finding the Fourth Proportional to 26,838,631.40, 40,257,947.10 and 12,456,919.40

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Solution

The fourth proportional to 26,838,631.40, 40,257,947.10 and 12,456,919.40 is: 18,685,379.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,838,631.40 : 40,257,947.10 = 12,456,919.40 : x
  2. Step 2: Convert to fraction form
    26,838,631.40/40,257,947.10 = 12,456,919.40/x
  3. Step 3: Cross multiply
    26,838,631.40x = 40,257,947.10 × 12,456,919.40
  4. Step 4: Simplify right side
    26,838,631.40x = 501,490,002,234,163.75
  5. Step 5: Solve for x
    x = 501,490,002,234,163.75/26,838,631.40
  6. Step 6: Final answer
    x = 18,685,379.10

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1.5x scale

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.