Home / 8,442,394.32-12,663,416.52-2,052,680.16

Finding the Fourth Proportional to 8,442,394.32, 12,663,416.52 and 2,052,680.16

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Solution

The fourth proportional to 8,442,394.32, 12,663,416.52 and 2,052,680.16 is: 3,078,977.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,442,394.32 : 12,663,416.52 = 2,052,680.16 : x
  2. Step 2: Convert to fraction form
    8,442,394.32/12,663,416.52 = 2,052,680.16/x
  3. Step 3: Cross multiply
    8,442,394.32x = 12,663,416.52 × 2,052,680.16
  4. Step 4: Simplify right side
    8,442,394.32x = 25,993,943,848,420.24
  5. Step 5: Solve for x
    x = 25,993,943,848,420.24/8,442,394.32
  6. Step 6: Final answer
    x = 3,078,977.70

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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.