Home / 7,890,823.77-11,839,645.50-4,243,290.39

Finding the Fourth Proportional to 7,890,823.77, 11,839,645.50 and 4,243,290.39

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Solution

The fourth proportional to 7,890,823.77, 11,839,645.50 and 4,243,290.39 is: 6,366,769.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890,823.77 : 11,839,645.50 = 4,243,290.39 : x
  2. Step 2: Convert to fraction form
    7,890,823.77/11,839,645.50 = 4,243,290.39/x
  3. Step 3: Cross multiply
    7,890,823.77x = 11,839,645.50 × 4,243,290.39
  4. Step 4: Simplify right side
    7,890,823.77x = 50,239,053,971,156.74
  5. Step 5: Solve for x
    x = 50,239,053,971,156.74/7,890,823.77
  6. Step 6: Final answer
    x = 6,366,769.23

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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.