Home / 7,789,908.50-10,750,109.40-4,257,777.92

Finding the Fourth Proportional to 7,789,908.50, 10,750,109.40 and 4,257,777.92

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Solution

The fourth proportional to 7,789,908.50, 10,750,109.40 and 4,257,777.92 is: 5,875,753.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,789,908.50 : 10,750,109.40 = 4,257,777.92 : x
  2. Step 2: Convert to fraction form
    7,789,908.50/10,750,109.40 = 4,257,777.92/x
  3. Step 3: Cross multiply
    7,789,908.50x = 10,750,109.40 × 4,257,777.92
  4. Step 4: Simplify right side
    7,789,908.50x = 45,771,578,440,904.45
  5. Step 5: Solve for x
    x = 45,771,578,440,904.45/7,789,908.50
  6. Step 6: Final answer
    x = 5,875,753.03

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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.