Home / 13,044,569.36-18,003,166.46-7,887,967.81

Finding the Fourth Proportional to 13,044,569.36, 18,003,166.46 and 7,887,967.81

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Solution

The fourth proportional to 13,044,569.36, 18,003,166.46 and 7,887,967.81 is: 10,886,399.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,044,569.36 : 18,003,166.46 = 7,887,967.81 : x
  2. Step 2: Convert to fraction form
    13,044,569.36/18,003,166.46 = 7,887,967.81/x
  3. Step 3: Cross multiply
    13,044,569.36x = 18,003,166.46 × 7,887,967.81
  4. Step 4: Simplify right side
    13,044,569.36x = 142,008,397,459,683.78
  5. Step 5: Solve for x
    x = 142,008,397,459,683.78/13,044,569.36
  6. Step 6: Final answer
    x = 10,886,399.82

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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.