Home / 13,417,072.72-20,109,862.62-7,030,332.88

Finding the Fourth Proportional to 13,417,072.72, 20,109,862.62 and 7,030,332.88

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Solution

The fourth proportional to 13,417,072.72, 20,109,862.62 and 7,030,332.88 is: 10,537,248.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,417,072.72 : 20,109,862.62 = 7,030,332.88 : x
  2. Step 2: Convert to fraction form
    13,417,072.72/20,109,862.62 = 7,030,332.88/x
  3. Step 3: Cross multiply
    13,417,072.72x = 20,109,862.62 × 7,030,332.88
  4. Step 4: Simplify right side
    13,417,072.72x = 141,379,028,389,668.94
  5. Step 5: Solve for x
    x = 141,379,028,389,668.94/13,417,072.72
  6. Step 6: Final answer
    x = 10,537,248.43

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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.