Home / 11,286,005.40-16,929,008.10-8,411,995.80

Finding the Fourth Proportional to 11,286,005.40, 16,929,008.10 and 8,411,995.80

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Solution

The fourth proportional to 11,286,005.40, 16,929,008.10 and 8,411,995.80 is: 12,617,993.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,286,005.40 : 16,929,008.10 = 8,411,995.80 : x
  2. Step 2: Convert to fraction form
    11,286,005.40/16,929,008.10 = 8,411,995.80/x
  3. Step 3: Cross multiply
    11,286,005.40x = 16,929,008.10 × 8,411,995.80
  4. Step 4: Simplify right side
    11,286,005.40x = 142,406,745,035,366
  5. Step 5: Solve for x
    x = 142,406,745,035,366/11,286,005.40
  6. Step 6: Final answer
    x = 12,617,993.70

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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.