Home / 12,035,905.18-16,609,549.15-6,879,377.45

Finding the Fourth Proportional to 12,035,905.18, 16,609,549.15 and 6,879,377.45

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Solution

The fourth proportional to 12,035,905.18, 16,609,549.15 and 6,879,377.45 is: 9,493,540.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,035,905.18 : 16,609,549.15 = 6,879,377.45 : x
  2. Step 2: Convert to fraction form
    12,035,905.18/16,609,549.15 = 6,879,377.45/x
  3. Step 3: Cross multiply
    12,035,905.18x = 16,609,549.15 × 6,879,377.45
  4. Step 4: Simplify right side
    12,035,905.18x = 114,263,357,802,728.14
  5. Step 5: Solve for x
    x = 114,263,357,802,728.14/12,035,905.18
  6. Step 6: Final answer
    x = 9,493,540.87

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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.