Home / 11,286,008.40-16,929,012.60-8,411,998.80

Finding the Fourth Proportional to 11,286,008.40, 16,929,012.60 and 8,411,998.80

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Solution

The fourth proportional to 11,286,008.40, 16,929,012.60 and 8,411,998.80 is: 12,617,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,286,008.40 : 16,929,012.60 = 8,411,998.80 : x
  2. Step 2: Convert to fraction form
    11,286,008.40/16,929,012.60 = 8,411,998.80/x
  3. Step 3: Cross multiply
    11,286,008.40x = 16,929,012.60 × 8,411,998.80
  4. Step 4: Simplify right side
    11,286,008.40x = 142,406,833,676,384.91
  5. Step 5: Solve for x
    x = 142,406,833,676,384.91/11,286,008.40
  6. Step 6: Final answer
    x = 12,617,998.20

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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.