Home / 42,923,529.90-64,385,684.07-12,218,097.19

Finding the Fourth Proportional to 42,923,529.90, 64,385,684.07 and 12,218,097.19

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Solution

The fourth proportional to 42,923,529.90, 64,385,684.07 and 12,218,097.19 is: 18,327,256.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,923,529.90 : 64,385,684.07 = 12,218,097.19 : x
  2. Step 2: Convert to fraction form
    42,923,529.90/64,385,684.07 = 12,218,097.19/x
  3. Step 3: Cross multiply
    42,923,529.90x = 64,385,684.07 × 12,218,097.19
  4. Step 4: Simplify right side
    42,923,529.90x = 786,670,545,611,894.75
  5. Step 5: Solve for x
    x = 786,670,545,611,894.75/42,923,529.90
  6. Step 6: Final answer
    x = 18,327,256.58

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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.