Home / 13,205,807.28-19,811,561.64-4,107,731.76

Finding the Fourth Proportional to 13,205,807.28, 19,811,561.64 and 4,107,731.76

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Solution

The fourth proportional to 13,205,807.28, 19,811,561.64 and 4,107,731.76 is: 6,162,484.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,205,807.28 : 19,811,561.64 = 4,107,731.76 : x
  2. Step 2: Convert to fraction form
    13,205,807.28/19,811,561.64 = 4,107,731.76/x
  3. Step 3: Cross multiply
    13,205,807.28x = 19,811,561.64 × 4,107,731.76
  4. Step 4: Simplify right side
    13,205,807.28x = 81,380,580,963,825.69
  5. Step 5: Solve for x
    x = 81,380,580,963,825.69/13,205,807.28
  6. Step 6: Final answer
    x = 6,162,484.37

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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.