Home / 13,590,740.01-18,755,223.75-7,479,168.51

Finding the Fourth Proportional to 13,590,740.01, 18,755,223.75 and 7,479,168.51

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Solution

The fourth proportional to 13,590,740.01, 18,755,223.75 and 7,479,168.51 is: 10,321,253.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,740.01 : 18,755,223.75 = 7,479,168.51 : x
  2. Step 2: Convert to fraction form
    13,590,740.01/18,755,223.75 = 7,479,168.51/x
  3. Step 3: Cross multiply
    13,590,740.01x = 18,755,223.75 × 7,479,168.51
  4. Step 4: Simplify right side
    13,590,740.01x = 140,273,478,869,004.11
  5. Step 5: Solve for x
    x = 140,273,478,869,004.11/13,590,740.01
  6. Step 6: Final answer
    x = 10,321,253.94

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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.