Home / 28,762,630.23-42,986,343.92-20,997,895.92

Finding the Fourth Proportional to 28,762,630.23, 42,986,343.92 and 20,997,895.92

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Solution

The fourth proportional to 28,762,630.23, 42,986,343.92 and 20,997,895.92 is: 31,381,788.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,762,630.23 : 42,986,343.92 = 20,997,895.92 : x
  2. Step 2: Convert to fraction form
    28,762,630.23/42,986,343.92 = 20,997,895.92/x
  3. Step 3: Cross multiply
    28,762,630.23x = 42,986,343.92 × 20,997,895.92
  4. Step 4: Simplify right side
    28,762,630.23x = 902,622,775,293,563.50
  5. Step 5: Solve for x
    x = 902,622,775,293,563.50/28,762,630.23
  6. Step 6: Final answer
    x = 31,381,788.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.