Home / 12,335,999.90-18,503,999.85-8,006,323.10

Finding the Fourth Proportional to 12,335,999.90, 18,503,999.85 and 8,006,323.10

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Solution

The fourth proportional to 12,335,999.90, 18,503,999.85 and 8,006,323.10 is: 12,009,484.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335,999.90 : 18,503,999.85 = 8,006,323.10 : x
  2. Step 2: Convert to fraction form
    12,335,999.90/18,503,999.85 = 8,006,323.10/x
  3. Step 3: Cross multiply
    12,335,999.90x = 18,503,999.85 × 8,006,323.10
  4. Step 4: Simplify right side
    12,335,999.90x = 148,149,001,441,451.53
  5. Step 5: Solve for x
    x = 148,149,001,441,451.53/12,335,999.90
  6. Step 6: Final answer
    x = 12,009,484.65

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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.