Home / 12,097,200.30-18,166,795.65-6,428,496.30

Finding the Fourth Proportional to 12,097,200.30, 18,166,795.65 and 6,428,496.30

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Solution

The fourth proportional to 12,097,200.30, 18,166,795.65 and 6,428,496.30 is: 9,653,901.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,200.30 : 18,166,795.65 = 6,428,496.30 : x
  2. Step 2: Convert to fraction form
    12,097,200.30/18,166,795.65 = 6,428,496.30/x
  3. Step 3: Cross multiply
    12,097,200.30x = 18,166,795.65 × 6,428,496.30
  4. Step 4: Simplify right side
    12,097,200.30x = 116,785,178,618,881.08
  5. Step 5: Solve for x
    x = 116,785,178,618,881.08/12,097,200.30
  6. Step 6: Final answer
    x = 9,653,901.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.