Home / 10,766,856.80-16,128,512.40-6,710,895.20

Finding the Fourth Proportional to 10,766,856.80, 16,128,512.40 and 6,710,895.20

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Solution

The fourth proportional to 10,766,856.80, 16,128,512.40 and 6,710,895.20 is: 10,052,771.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,766,856.80 : 16,128,512.40 = 6,710,895.20 : x
  2. Step 2: Convert to fraction form
    10,766,856.80/16,128,512.40 = 6,710,895.20/x
  3. Step 3: Cross multiply
    10,766,856.80x = 16,128,512.40 × 6,710,895.20
  4. Step 4: Simplify right side
    10,766,856.80x = 108,236,756,448,300.48
  5. Step 5: Solve for x
    x = 108,236,756,448,300.48/10,766,856.80
  6. Step 6: Final answer
    x = 10,052,771.99

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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.