Home / 8,428,659.50-12,637,869.51-3,304,950.81

Finding the Fourth Proportional to 8,428,659.50, 12,637,869.51 and 3,304,950.81

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Solution

The fourth proportional to 8,428,659.50, 12,637,869.51 and 3,304,950.81 is: 4,955,418.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,659.50 : 12,637,869.51 = 3,304,950.81 : x
  2. Step 2: Convert to fraction form
    8,428,659.50/12,637,869.51 = 3,304,950.81/x
  3. Step 3: Cross multiply
    8,428,659.50x = 12,637,869.51 × 3,304,950.81
  4. Step 4: Simplify right side
    8,428,659.50x = 41,767,537,073,748.80
  5. Step 5: Solve for x
    x = 41,767,537,073,748.80/8,428,659.50
  6. Step 6: Final answer
    x = 4,955,418.72

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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.