Home / 42,703,923.60-64,042,638.97-15,406,667.65

Finding the Fourth Proportional to 42,703,923.60, 64,042,638.97 and 15,406,667.65

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Solution

The fourth proportional to 42,703,923.60, 64,042,638.97 and 15,406,667.65 is: 23,105,222.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,703,923.60 : 64,042,638.97 = 15,406,667.65 : x
  2. Step 2: Convert to fraction form
    42,703,923.60/64,042,638.97 = 15,406,667.65/x
  3. Step 3: Cross multiply
    42,703,923.60x = 64,042,638.97 × 15,406,667.65
  4. Step 4: Simplify right side
    42,703,923.60x = 986,683,654,039,728.38
  5. Step 5: Solve for x
    x = 986,683,654,039,728.38/42,703,923.60
  6. Step 6: Final answer
    x = 23,105,222.44

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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.