Home / 8,238,730.35-12,360,842.70-5,479,874.50

Finding the Fourth Proportional to 8,238,730.35, 12,360,842.70 and 5,479,874.50

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Solution

The fourth proportional to 8,238,730.35, 12,360,842.70 and 5,479,874.50 is: 8,221,639.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238,730.35 : 12,360,842.70 = 5,479,874.50 : x
  2. Step 2: Convert to fraction form
    8,238,730.35/12,360,842.70 = 5,479,874.50/x
  3. Step 3: Cross multiply
    8,238,730.35x = 12,360,842.70 × 5,479,874.50
  4. Step 4: Simplify right side
    8,238,730.35x = 67,735,866,762,319.99
  5. Step 5: Solve for x
    x = 67,735,866,762,319.99/8,238,730.35
  6. Step 6: Final answer
    x = 8,221,639.00

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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.