Home / 7,072,039.19-10,655,314.94-6,389,718.58

Finding the Fourth Proportional to 7,072,039.19, 10,655,314.94 and 6,389,718.58

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Solution

The fourth proportional to 7,072,039.19, 10,655,314.94 and 6,389,718.58 is: 9,627,274.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072,039.19 : 10,655,314.94 = 6,389,718.58 : x
  2. Step 2: Convert to fraction form
    7,072,039.19/10,655,314.94 = 6,389,718.58/x
  3. Step 3: Cross multiply
    7,072,039.19x = 10,655,314.94 × 6,389,718.58
  4. Step 4: Simplify right side
    7,072,039.19x = 68,084,463,877,163.03
  5. Step 5: Solve for x
    x = 68,084,463,877,163.03/7,072,039.19
  6. Step 6: Final answer
    x = 9,627,274.68

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.