Home / 13,877,421.31-20,828,089.34-9,620,578.87

Finding the Fourth Proportional to 13,877,421.31, 20,828,089.34 and 9,620,578.87

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Solution

The fourth proportional to 13,877,421.31, 20,828,089.34 and 9,620,578.87 is: 14,439,157.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,877,421.31 : 20,828,089.34 = 9,620,578.87 : x
  2. Step 2: Convert to fraction form
    13,877,421.31/20,828,089.34 = 9,620,578.87/x
  3. Step 3: Cross multiply
    13,877,421.31x = 20,828,089.34 × 9,620,578.87
  4. Step 4: Simplify right side
    13,877,421.31x = 200,378,276,206,876.22
  5. Step 5: Solve for x
    x = 200,378,276,206,876.22/13,877,421.31
  6. Step 6: Final answer
    x = 14,439,157.80

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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.