Home / 8,912,781-12,299,787.36-4,838,400

Finding the Fourth Proportional to 8,912,781, 12,299,787.36 and 4,838,400

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Solution

The fourth proportional to 8,912,781, 12,299,787.36 and 4,838,400 is: 6,677,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912,781 : 12,299,787.36 = 4,838,400 : x
  2. Step 2: Convert to fraction form
    8,912,781/12,299,787.36 = 4,838,400/x
  3. Step 3: Cross multiply
    8,912,781x = 12,299,787.36 × 4,838,400
  4. Step 4: Simplify right side
    8,912,781x = 59,511,291,162,624
  5. Step 5: Solve for x
    x = 59,511,291,162,624/8,912,781
  6. Step 6: Final answer
    x = 6,677,073.20

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1.5x scale

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.