Home / 12,960,032.20-19,440,048.30-8,928,953.80

Finding the Fourth Proportional to 12,960,032.20, 19,440,048.30 and 8,928,953.80

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Solution

The fourth proportional to 12,960,032.20, 19,440,048.30 and 8,928,953.80 is: 13,393,430.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960,032.20 : 19,440,048.30 = 8,928,953.80 : x
  2. Step 2: Convert to fraction form
    12,960,032.20/19,440,048.30 = 8,928,953.80/x
  3. Step 3: Cross multiply
    12,960,032.20x = 19,440,048.30 × 8,928,953.80
  4. Step 4: Simplify right side
    12,960,032.20x = 173,579,293,140,468.56
  5. Step 5: Solve for x
    x = 173,579,293,140,468.56/12,960,032.20
  6. Step 6: Final answer
    x = 13,393,430.70

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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.