Home / 18,671,999.40-28,007,999.10-16,280,514.90

Finding the Fourth Proportional to 18,671,999.40, 28,007,999.10 and 16,280,514.90

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Solution

The fourth proportional to 18,671,999.40, 28,007,999.10 and 16,280,514.90 is: 24,420,772.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,671,999.40 : 28,007,999.10 = 16,280,514.90 : x
  2. Step 2: Convert to fraction form
    18,671,999.40/28,007,999.10 = 16,280,514.90/x
  3. Step 3: Cross multiply
    18,671,999.40x = 28,007,999.10 × 16,280,514.90
  4. Step 4: Simplify right side
    18,671,999.40x = 455,984,646,666,736.62
  5. Step 5: Solve for x
    x = 455,984,646,666,736.62/18,671,999.40
  6. Step 6: Final answer
    x = 24,420,772.35

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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.