Home / 7,360,701.82-10,157,056.05-5,428,002.94

Finding the Fourth Proportional to 7,360,701.82, 10,157,056.05 and 5,428,002.94

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Solution

The fourth proportional to 7,360,701.82, 10,157,056.05 and 5,428,002.94 is: 7,490,118.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,360,701.82 : 10,157,056.05 = 5,428,002.94 : x
  2. Step 2: Convert to fraction form
    7,360,701.82/10,157,056.05 = 5,428,002.94/x
  3. Step 3: Cross multiply
    7,360,701.82x = 10,157,056.05 × 5,428,002.94
  4. Step 4: Simplify right side
    7,360,701.82x = 55,132,530,101,144.80
  5. Step 5: Solve for x
    x = 55,132,530,101,144.80/7,360,701.82
  6. Step 6: Final answer
    x = 7,490,118.67

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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.