Home / 8,237,856.47-12,358,842.84-5,813,742.83

Finding the Fourth Proportional to 8,237,856.47, 12,358,842.84 and 5,813,742.83

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Solution

The fourth proportional to 8,237,856.47, 12,358,842.84 and 5,813,742.83 is: 8,722,066.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,237,856.47 : 12,358,842.84 = 5,813,742.83 : x
  2. Step 2: Convert to fraction form
    8,237,856.47/12,358,842.84 = 5,813,742.83/x
  3. Step 3: Cross multiply
    8,237,856.47x = 12,358,842.84 × 5,813,742.83
  4. Step 4: Simplify right side
    8,237,856.47x = 71,851,133,886,352.62
  5. Step 5: Solve for x
    x = 71,851,133,886,352.62/8,237,856.47
  6. Step 6: Final answer
    x = 8,722,066.74

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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.