Home / 7,123,452.72-10,685,029.23-1,732,130.79

Finding the Fourth Proportional to 7,123,452.72, 10,685,029.23 and 1,732,130.79

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Solution

The fourth proportional to 7,123,452.72, 10,685,029.23 and 1,732,130.79 is: 2,598,159.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,123,452.72 : 10,685,029.23 = 1,732,130.79 : x
  2. Step 2: Convert to fraction form
    7,123,452.72/10,685,029.23 = 1,732,130.79/x
  3. Step 3: Cross multiply
    7,123,452.72x = 10,685,029.23 × 1,732,130.79
  4. Step 4: Simplify right side
    7,123,452.72x = 18,507,868,121,332.99
  5. Step 5: Solve for x
    x = 18,507,868,121,332.99/7,123,452.72
  6. Step 6: Final answer
    x = 2,598,159.75

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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.