Home / 10,444,472.80-15,666,709.20-8,176,991.20

Finding the Fourth Proportional to 10,444,472.80, 15,666,709.20 and 8,176,991.20

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Solution

The fourth proportional to 10,444,472.80, 15,666,709.20 and 8,176,991.20 is: 12,265,486.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,444,472.80 : 15,666,709.20 = 8,176,991.20 : x
  2. Step 2: Convert to fraction form
    10,444,472.80/15,666,709.20 = 8,176,991.20/x
  3. Step 3: Cross multiply
    10,444,472.80x = 15,666,709.20 × 8,176,991.20
  4. Step 4: Simplify right side
    10,444,472.80x = 128,106,543,261,359.03
  5. Step 5: Solve for x
    x = 128,106,543,261,359.03/10,444,472.80
  6. Step 6: Final answer
    x = 12,265,486.80

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1.5x scale

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.