Home / 7,161,388.80-10,742,083.20-6,850,397.40

Finding the Fourth Proportional to 7,161,388.80, 10,742,083.20 and 6,850,397.40

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Solution

The fourth proportional to 7,161,388.80, 10,742,083.20 and 6,850,397.40 is: 10,275,596.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161,388.80 : 10,742,083.20 = 6,850,397.40 : x
  2. Step 2: Convert to fraction form
    7,161,388.80/10,742,083.20 = 6,850,397.40/x
  3. Step 3: Cross multiply
    7,161,388.80x = 10,742,083.20 × 6,850,397.40
  4. Step 4: Simplify right side
    7,161,388.80x = 73,587,538,823,863.67
  5. Step 5: Solve for x
    x = 73,587,538,823,863.67/7,161,388.80
  6. Step 6: Final answer
    x = 10,275,596.10

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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.