Home / 6,872,230.20-9,483,417.86-3,816,641.28

Finding the Fourth Proportional to 6,872,230.20, 9,483,417.86 and 3,816,641.28

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Solution

The fourth proportional to 6,872,230.20, 9,483,417.86 and 3,816,641.28 is: 5,266,820.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872,230.20 : 9,483,417.86 = 3,816,641.28 : x
  2. Step 2: Convert to fraction form
    6,872,230.20/9,483,417.86 = 3,816,641.28/x
  3. Step 3: Cross multiply
    6,872,230.20x = 9,483,417.86 × 3,816,641.28
  4. Step 4: Simplify right side
    6,872,230.20x = 36,194,804,053,834.95
  5. Step 5: Solve for x
    x = 36,194,804,053,834.95/6,872,230.20
  6. Step 6: Final answer
    x = 5,266,820.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.