Home / 7,031,138.96-10,529,509.80-6,349,565.36

Finding the Fourth Proportional to 7,031,138.96, 10,529,509.80 and 6,349,565.36

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Solution

The fourth proportional to 7,031,138.96, 10,529,509.80 and 6,349,565.36 is: 9,508,816.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031,138.96 : 10,529,509.80 = 6,349,565.36 : x
  2. Step 2: Convert to fraction form
    7,031,138.96/10,529,509.80 = 6,349,565.36/x
  3. Step 3: Cross multiply
    7,031,138.96x = 10,529,509.80 × 6,349,565.36
  4. Step 4: Simplify right side
    7,031,138.96x = 66,857,810,683,860.54
  5. Step 5: Solve for x
    x = 66,857,810,683,860.54/7,031,138.96
  6. Step 6: Final answer
    x = 9,508,816.57

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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.