Home / 22,078,609.32-30,468,248.10-12,288,897.48

Finding the Fourth Proportional to 22,078,609.32, 30,468,248.10 and 12,288,897.48

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Solution

The fourth proportional to 22,078,609.32, 30,468,248.10 and 12,288,897.48 is: 16,958,548.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,078,609.32 : 30,468,248.10 = 12,288,897.48 : x
  2. Step 2: Convert to fraction form
    22,078,609.32/30,468,248.10 = 12,288,897.48/x
  3. Step 3: Cross multiply
    22,078,609.32x = 30,468,248.10 × 12,288,897.48
  4. Step 4: Simplify right side
    22,078,609.32x = 374,421,177,296,104.81
  5. Step 5: Solve for x
    x = 374,421,177,296,104.81/22,078,609.32
  6. Step 6: Final answer
    x = 16,958,548.97

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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.