Home / 21,160,596.13-31,749,881.24-11,564,764.47

Finding the Fourth Proportional to 21,160,596.13, 31,749,881.24 and 11,564,764.47

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Solution

The fourth proportional to 21,160,596.13, 31,749,881.24 and 11,564,764.47 is: 17,352,058.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,160,596.13 : 31,749,881.24 = 11,564,764.47 : x
  2. Step 2: Convert to fraction form
    21,160,596.13/31,749,881.24 = 11,564,764.47/x
  3. Step 3: Cross multiply
    21,160,596.13x = 31,749,881.24 × 11,564,764.47
  4. Step 4: Simplify right side
    21,160,596.13x = 367,179,898,519,983.50
  5. Step 5: Solve for x
    x = 367,179,898,519,983.50/21,160,596.13
  6. Step 6: Final answer
    x = 17,352,058.34

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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.