Home / 7,178,117.80-10,764,066.30-2,916,869.80

Finding the Fourth Proportional to 7,178,117.80, 10,764,066.30 and 2,916,869.80

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Solution

The fourth proportional to 7,178,117.80, 10,764,066.30 and 2,916,869.80 is: 4,374,040.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178,117.80 : 10,764,066.30 = 2,916,869.80 : x
  2. Step 2: Convert to fraction form
    7,178,117.80/10,764,066.30 = 2,916,869.80/x
  3. Step 3: Cross multiply
    7,178,117.80x = 10,764,066.30 × 2,916,869.80
  4. Step 4: Simplify right side
    7,178,117.80x = 31,397,379,915,667.74
  5. Step 5: Solve for x
    x = 31,397,379,915,667.74/7,178,117.80
  6. Step 6: Final answer
    x = 4,374,040.77

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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.