Home / 14,820,387.21-20,451,694.95-8,205,270.39

Finding the Fourth Proportional to 14,820,387.21, 20,451,694.95 and 8,205,270.39

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Solution

The fourth proportional to 14,820,387.21, 20,451,694.95 and 8,205,270.39 is: 11,323,029.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,820,387.21 : 20,451,694.95 = 8,205,270.39 : x
  2. Step 2: Convert to fraction form
    14,820,387.21/20,451,694.95 = 8,205,270.39/x
  3. Step 3: Cross multiply
    14,820,387.21x = 20,451,694.95 × 8,205,270.39
  4. Step 4: Simplify right side
    14,820,387.21x = 167,811,686,998,547.53
  5. Step 5: Solve for x
    x = 167,811,686,998,547.53/14,820,387.21
  6. Step 6: Final answer
    x = 11,323,029.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.