Home / 8,436,530.60-12,655,386.14-3,387,841

Finding the Fourth Proportional to 8,436,530.60, 12,655,386.14 and 3,387,841

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Solution

The fourth proportional to 8,436,530.60, 12,655,386.14 and 3,387,841 is: 5,081,998.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436,530.60 : 12,655,386.14 = 3,387,841 : x
  2. Step 2: Convert to fraction form
    8,436,530.60/12,655,386.14 = 3,387,841/x
  3. Step 3: Cross multiply
    8,436,530.60x = 12,655,386.14 × 3,387,841
  4. Step 4: Simplify right side
    8,436,530.60x = 42,874,436,035,923.74
  5. Step 5: Solve for x
    x = 42,874,436,035,923.74/8,436,530.60
  6. Step 6: Final answer
    x = 5,081,998.52

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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.