Home / 8,340,435.72-11,509,165.08-4,668,511.32

Finding the Fourth Proportional to 8,340,435.72, 11,509,165.08 and 4,668,511.32

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Solution

The fourth proportional to 8,340,435.72, 11,509,165.08 and 4,668,511.32 is: 6,442,189.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340,435.72 : 11,509,165.08 = 4,668,511.32 : x
  2. Step 2: Convert to fraction form
    8,340,435.72/11,509,165.08 = 4,668,511.32/x
  3. Step 3: Cross multiply
    8,340,435.72x = 11,509,165.08 × 4,668,511.32
  4. Step 4: Simplify right side
    8,340,435.72x = 53,730,667,459,728.71
  5. Step 5: Solve for x
    x = 53,730,667,459,728.71/8,340,435.72
  6. Step 6: Final answer
    x = 6,442,189.50

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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.