Home / 6,989,905.80-10,475,017.20-5,553,046.80

Finding the Fourth Proportional to 6,989,905.80, 10,475,017.20 and 5,553,046.80

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Solution

The fourth proportional to 6,989,905.80, 10,475,017.20 and 5,553,046.80 is: 8,321,751.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989,905.80 : 10,475,017.20 = 5,553,046.80 : x
  2. Step 2: Convert to fraction form
    6,989,905.80/10,475,017.20 = 5,553,046.80/x
  3. Step 3: Cross multiply
    6,989,905.80x = 10,475,017.20 × 5,553,046.80
  4. Step 4: Simplify right side
    6,989,905.80x = 58,168,260,742,404.95
  5. Step 5: Solve for x
    x = 58,168,260,742,404.95/6,989,905.80
  6. Step 6: Final answer
    x = 8,321,751.74

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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.