Home / 21,289,704.60-31,934,556.90-6,144,130.20

Finding the Fourth Proportional to 21,289,704.60, 31,934,556.90 and 6,144,130.20

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Solution

The fourth proportional to 21,289,704.60, 31,934,556.90 and 6,144,130.20 is: 9,216,195.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,289,704.60 : 31,934,556.90 = 6,144,130.20 : x
  2. Step 2: Convert to fraction form
    21,289,704.60/31,934,556.90 = 6,144,130.20/x
  3. Step 3: Cross multiply
    21,289,704.60x = 31,934,556.90 × 6,144,130.20
  4. Step 4: Simplify right side
    21,289,704.60x = 196,210,075,472,908.38
  5. Step 5: Solve for x
    x = 196,210,075,472,908.38/21,289,704.60
  6. Step 6: Final answer
    x = 9,216,195.30

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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.