Home / 8,428,657.50-12,637,866.51-3,304,948.81

Finding the Fourth Proportional to 8,428,657.50, 12,637,866.51 and 3,304,948.81

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Solution

The fourth proportional to 8,428,657.50, 12,637,866.51 and 3,304,948.81 is: 4,955,415.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,657.50 : 12,637,866.51 = 3,304,948.81 : x
  2. Step 2: Convert to fraction form
    8,428,657.50/12,637,866.51 = 3,304,948.81/x
  3. Step 3: Cross multiply
    8,428,657.50x = 12,637,866.51 × 3,304,948.81
  4. Step 4: Simplify right side
    8,428,657.50x = 41,767,501,883,163.35
  5. Step 5: Solve for x
    x = 41,767,501,883,163.35/8,428,657.50
  6. Step 6: Final answer
    x = 4,955,415.72

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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.