Home / 12,801,720.72-17,666,391.96-7,000,484.52

Finding the Fourth Proportional to 12,801,720.72, 17,666,391.96 and 7,000,484.52

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Solution

The fourth proportional to 12,801,720.72, 17,666,391.96 and 7,000,484.52 is: 9,660,678.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,801,720.72 : 17,666,391.96 = 7,000,484.52 : x
  2. Step 2: Convert to fraction form
    12,801,720.72/17,666,391.96 = 7,000,484.52/x
  3. Step 3: Cross multiply
    12,801,720.72x = 17,666,391.96 × 7,000,484.52
  4. Step 4: Simplify right side
    12,801,720.72x = 123,673,303,440,232.45
  5. Step 5: Solve for x
    x = 123,673,303,440,232.45/12,801,720.72
  6. Step 6: Final answer
    x = 9,660,678.13

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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.