Home / 9,021,193.17-13,543,337.20-7,749,933.81

Finding the Fourth Proportional to 9,021,193.17, 13,543,337.20 and 7,749,933.81

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Solution

The fourth proportional to 9,021,193.17, 13,543,337.20 and 7,749,933.81 is: 11,634,820.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021,193.17 : 13,543,337.20 = 7,749,933.81 : x
  2. Step 2: Convert to fraction form
    9,021,193.17/13,543,337.20 = 7,749,933.81/x
  3. Step 3: Cross multiply
    9,021,193.17x = 13,543,337.20 × 7,749,933.81
  4. Step 4: Simplify right side
    9,021,193.17x = 104,959,966,866,510.72
  5. Step 5: Solve for x
    x = 104,959,966,866,510.72/9,021,193.17
  6. Step 6: Final answer
    x = 11,634,820.90

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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.