Home / 9,139,728.39-13,627,880.98-8,888,622.51

Finding the Fourth Proportional to 9,139,728.39, 13,627,880.98 and 8,888,622.51

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Solution

The fourth proportional to 9,139,728.39, 13,627,880.98 and 8,888,622.51 is: 13,253,467.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,139,728.39 : 13,627,880.98 = 8,888,622.51 : x
  2. Step 2: Convert to fraction form
    9,139,728.39/13,627,880.98 = 8,888,622.51/x
  3. Step 3: Cross multiply
    9,139,728.39x = 13,627,880.98 × 8,888,622.51
  4. Step 4: Simplify right side
    9,139,728.39x = 121,133,089,642,428.86
  5. Step 5: Solve for x
    x = 121,133,089,642,428.86/9,139,728.39
  6. Step 6: Final answer
    x = 13,253,467.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.