Home / 20,421,139.80-30,594,384.90-16,614,010.20

Finding the Fourth Proportional to 20,421,139.80, 30,594,384.90 and 16,614,010.20

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Solution

The fourth proportional to 20,421,139.80, 30,594,384.90 and 16,614,010.20 is: 24,890,648.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,421,139.80 : 30,594,384.90 = 16,614,010.20 : x
  2. Step 2: Convert to fraction form
    20,421,139.80/30,594,384.90 = 16,614,010.20/x
  3. Step 3: Cross multiply
    20,421,139.80x = 30,594,384.90 × 16,614,010.20
  4. Step 4: Simplify right side
    20,421,139.80x = 508,295,422,791,325.94
  5. Step 5: Solve for x
    x = 508,295,422,791,325.94/20,421,139.80
  6. Step 6: Final answer
    x = 24,890,648.99

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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.