Home / 12,448,219.10-18,672,328.65-8,382,695.45

Finding the Fourth Proportional to 12,448,219.10, 18,672,328.65 and 8,382,695.45

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Solution

The fourth proportional to 12,448,219.10, 18,672,328.65 and 8,382,695.45 is: 12,574,043.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,448,219.10 : 18,672,328.65 = 8,382,695.45 : x
  2. Step 2: Convert to fraction form
    12,448,219.10/18,672,328.65 = 8,382,695.45/x
  3. Step 3: Cross multiply
    12,448,219.10x = 18,672,328.65 × 8,382,695.45
  4. Step 4: Simplify right side
    12,448,219.10x = 156,524,444,415,259.62
  5. Step 5: Solve for x
    x = 156,524,444,415,259.62/12,448,219.10
  6. Step 6: Final answer
    x = 12,574,043.18

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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.