Home / 9,139,728.64-13,627,881.36-8,888,622.76

Finding the Fourth Proportional to 9,139,728.64, 13,627,881.36 and 8,888,622.76

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Solution

The fourth proportional to 9,139,728.64, 13,627,881.36 and 8,888,622.76 is: 13,253,467.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,139,728.64 : 13,627,881.36 = 8,888,622.76 : x
  2. Step 2: Convert to fraction form
    9,139,728.64/13,627,881.36 = 8,888,622.76/x
  3. Step 3: Cross multiply
    9,139,728.64x = 13,627,881.36 × 8,888,622.76
  4. Step 4: Simplify right side
    9,139,728.64x = 121,133,096,427,075.75
  5. Step 5: Solve for x
    x = 121,133,096,427,075.75/9,139,728.64
  6. Step 6: Final answer
    x = 13,253,467.49

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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.