Home / 26,430,703.20-39,646,054.80-8,481,621.60

Finding the Fourth Proportional to 26,430,703.20, 39,646,054.80 and 8,481,621.60

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Solution

The fourth proportional to 26,430,703.20, 39,646,054.80 and 8,481,621.60 is: 12,722,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,430,703.20 : 39,646,054.80 = 8,481,621.60 : x
  2. Step 2: Convert to fraction form
    26,430,703.20/39,646,054.80 = 8,481,621.60/x
  3. Step 3: Cross multiply
    26,430,703.20x = 39,646,054.80 × 8,481,621.60
  4. Step 4: Simplify right side
    26,430,703.20x = 336,262,834,746,463.62
  5. Step 5: Solve for x
    x = 336,262,834,746,463.62/26,430,703.20
  6. Step 6: Final answer
    x = 12,722,432.40

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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.