Home / 19,229,969.86-28,848,803.91-7,099,507.06

Finding the Fourth Proportional to 19,229,969.86, 28,848,803.91 and 7,099,507.06

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Solution

The fourth proportional to 19,229,969.86, 28,848,803.91 and 7,099,507.06 is: 10,650,681.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,229,969.86 : 28,848,803.91 = 7,099,507.06 : x
  2. Step 2: Convert to fraction form
    19,229,969.86/28,848,803.91 = 7,099,507.06/x
  3. Step 3: Cross multiply
    19,229,969.86x = 28,848,803.91 × 7,099,507.06
  4. Step 4: Simplify right side
    19,229,969.86x = 204,812,287,031,600.59
  5. Step 5: Solve for x
    x = 204,812,287,031,600.59/19,229,969.86
  6. Step 6: Final answer
    x = 10,650,681.65

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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.