Home / 10,872,023.70-16,320,477.15-6,386,826.90

Finding the Fourth Proportional to 10,872,023.70, 16,320,477.15 and 6,386,826.90

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Solution

The fourth proportional to 10,872,023.70, 16,320,477.15 and 6,386,826.90 is: 9,587,549.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872,023.70 : 16,320,477.15 = 6,386,826.90 : x
  2. Step 2: Convert to fraction form
    10,872,023.70/16,320,477.15 = 6,386,826.90/x
  3. Step 3: Cross multiply
    10,872,023.70x = 16,320,477.15 × 6,386,826.90
  4. Step 4: Simplify right side
    10,872,023.70x = 104,236,062,482,455.34
  5. Step 5: Solve for x
    x = 104,236,062,482,455.34/10,872,023.70
  6. Step 6: Final answer
    x = 9,587,549.23

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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.