Home / 9,172,507.05-12,657,307.35-5,399,970.39

Finding the Fourth Proportional to 9,172,507.05, 12,657,307.35 and 5,399,970.39

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Solution

The fourth proportional to 9,172,507.05, 12,657,307.35 and 5,399,970.39 is: 7,451,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172,507.05 : 12,657,307.35 = 5,399,970.39 : x
  2. Step 2: Convert to fraction form
    9,172,507.05/12,657,307.35 = 5,399,970.39/x
  3. Step 3: Cross multiply
    9,172,507.05x = 12,657,307.35 × 5,399,970.39
  4. Step 4: Simplify right side
    9,172,507.05x = 68,349,084,907,129.36
  5. Step 5: Solve for x
    x = 68,349,084,907,129.36/9,172,507.05
  6. Step 6: Final answer
    x = 7,451,516.20

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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.