Home / 12,357,501.80-18,557,247.90-9,166,231.40

Finding the Fourth Proportional to 12,357,501.80, 18,557,247.90 and 9,166,231.40

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Solution

The fourth proportional to 12,357,501.80, 18,557,247.90 and 9,166,231.40 is: 13,764,920.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,357,501.80 : 18,557,247.90 = 9,166,231.40 : x
  2. Step 2: Convert to fraction form
    12,357,501.80/18,557,247.90 = 9,166,231.40/x
  3. Step 3: Cross multiply
    12,357,501.80x = 18,557,247.90 × 9,166,231.40
  4. Step 4: Simplify right side
    12,357,501.80x = 170,100,028,398,564.06
  5. Step 5: Solve for x
    x = 170,100,028,398,564.06/12,357,501.80
  6. Step 6: Final answer
    x = 13,764,920.38

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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.