Home / 7,450,721.20-11,167,224.45-6,688,989.10

Finding the Fourth Proportional to 7,450,721.20, 11,167,224.45 and 6,688,989.10

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Solution

The fourth proportional to 7,450,721.20, 11,167,224.45 and 6,688,989.10 is: 10,025,531.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450,721.20 : 11,167,224.45 = 6,688,989.10 : x
  2. Step 2: Convert to fraction form
    7,450,721.20/11,167,224.45 = 6,688,989.10/x
  3. Step 3: Cross multiply
    7,450,721.20x = 11,167,224.45 × 6,688,989.10
  4. Step 4: Simplify right side
    7,450,721.20x = 74,697,442,623,303.48
  5. Step 5: Solve for x
    x = 74,697,442,623,303.48/7,450,721.20
  6. Step 6: Final answer
    x = 10,025,531.84

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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.