Home / 15,485,655.90-23,201,911.80-7,381,180.65

Finding the Fourth Proportional to 15,485,655.90, 23,201,911.80 and 7,381,180.65

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Solution

The fourth proportional to 15,485,655.90, 23,201,911.80 and 7,381,180.65 is: 11,059,105.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,485,655.90 : 23,201,911.80 = 7,381,180.65 : x
  2. Step 2: Convert to fraction form
    15,485,655.90/23,201,911.80 = 7,381,180.65/x
  3. Step 3: Cross multiply
    15,485,655.90x = 23,201,911.80 × 7,381,180.65
  4. Step 4: Simplify right side
    15,485,655.90x = 171,257,502,421,166.69
  5. Step 5: Solve for x
    x = 171,257,502,421,166.69/15,485,655.90
  6. Step 6: Final answer
    x = 11,059,105.51

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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.