Home / 8,521,928.80-12,788,422.80-4,927,688.80

Finding the Fourth Proportional to 8,521,928.80, 12,788,422.80 and 4,927,688.80

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Solution

The fourth proportional to 8,521,928.80, 12,788,422.80 and 4,927,688.80 is: 7,394,730.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521,928.80 : 12,788,422.80 = 4,927,688.80 : x
  2. Step 2: Convert to fraction form
    8,521,928.80/12,788,422.80 = 4,927,688.80/x
  3. Step 3: Cross multiply
    8,521,928.80x = 12,788,422.80 × 4,927,688.80
  4. Step 4: Simplify right side
    8,521,928.80x = 63,017,367,801,224.64
  5. Step 5: Solve for x
    x = 63,017,367,801,224.64/8,521,928.80
  6. Step 6: Final answer
    x = 7,394,730.62

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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.