Home / 20,242,530.65-27,905,637.97-14,431,223.31

Finding the Fourth Proportional to 20,242,530.65, 27,905,637.97 and 14,431,223.31

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Solution

The fourth proportional to 20,242,530.65, 27,905,637.97 and 14,431,223.31 is: 19,894,374.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,242,530.65 : 27,905,637.97 = 14,431,223.31 : x
  2. Step 2: Convert to fraction form
    20,242,530.65/27,905,637.97 = 14,431,223.31/x
  3. Step 3: Cross multiply
    20,242,530.65x = 27,905,637.97 × 14,431,223.31
  4. Step 4: Simplify right side
    20,242,530.65x = 402,712,493,153,085.06
  5. Step 5: Solve for x
    x = 402,712,493,153,085.06/20,242,530.65
  6. Step 6: Final answer
    x = 19,894,374.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.