Home / 12,130,176.48-16,732,626.48-7,837,824.48

Finding the Fourth Proportional to 12,130,176.48, 16,732,626.48 and 7,837,824.48

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Solution

The fourth proportional to 12,130,176.48, 16,732,626.48 and 7,837,824.48 is: 10,811,663.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,130,176.48 : 16,732,626.48 = 7,837,824.48 : x
  2. Step 2: Convert to fraction form
    12,130,176.48/16,732,626.48 = 7,837,824.48/x
  3. Step 3: Cross multiply
    12,130,176.48x = 16,732,626.48 × 7,837,824.48
  4. Step 4: Simplify right side
    12,130,176.48x = 131,147,389,439,640.23
  5. Step 5: Solve for x
    x = 131,147,389,439,640.23/12,130,176.48
  6. Step 6: Final answer
    x = 10,811,663.76

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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.