Home / 16,642,663.40-24,963,995.10-8,118,612.20

Finding the Fourth Proportional to 16,642,663.40, 24,963,995.10 and 8,118,612.20

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Solution

The fourth proportional to 16,642,663.40, 24,963,995.10 and 8,118,612.20 is: 12,177,918.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,642,663.40 : 24,963,995.10 = 8,118,612.20 : x
  2. Step 2: Convert to fraction form
    16,642,663.40/24,963,995.10 = 8,118,612.20/x
  3. Step 3: Cross multiply
    16,642,663.40x = 24,963,995.10 × 8,118,612.20
  4. Step 4: Simplify right side
    16,642,663.40x = 202,672,995,179,600.25
  5. Step 5: Solve for x
    x = 202,672,995,179,600.25/16,642,663.40
  6. Step 6: Final answer
    x = 12,177,918.30

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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.