Home / 15,942,027.39-21,999,362.99-9,417,751.98

Finding the Fourth Proportional to 15,942,027.39, 21,999,362.99 and 9,417,751.98

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Solution

The fourth proportional to 15,942,027.39, 21,999,362.99 and 9,417,751.98 is: 12,996,122.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,942,027.39 : 21,999,362.99 = 9,417,751.98 : x
  2. Step 2: Convert to fraction form
    15,942,027.39/21,999,362.99 = 9,417,751.98/x
  3. Step 3: Cross multiply
    15,942,027.39x = 21,999,362.99 × 9,417,751.98
  4. Step 4: Simplify right side
    15,942,027.39x = 207,184,544,310,722.47
  5. Step 5: Solve for x
    x = 207,184,544,310,722.47/15,942,027.39
  6. Step 6: Final answer
    x = 12,996,122.72

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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.