Home / 42,923,526.49-64,385,678.96-12,218,093.78

Finding the Fourth Proportional to 42,923,526.49, 64,385,678.96 and 12,218,093.78

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Solution

The fourth proportional to 42,923,526.49, 64,385,678.96 and 12,218,093.78 is: 18,327,251.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,923,526.49 : 64,385,678.96 = 12,218,093.78 : x
  2. Step 2: Convert to fraction form
    42,923,526.49/64,385,678.96 = 12,218,093.78/x
  3. Step 3: Cross multiply
    42,923,526.49x = 64,385,678.96 × 12,218,093.78
  4. Step 4: Simplify right side
    42,923,526.49x = 786,670,263,698,781.75
  5. Step 5: Solve for x
    x = 786,670,263,698,781.75/42,923,526.49
  6. Step 6: Final answer
    x = 18,327,251.46

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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.