Home / 14,381,938.86-19,846,957.68-7,855,572.48

Finding the Fourth Proportional to 14,381,938.86, 19,846,957.68 and 7,855,572.48

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Solution

The fourth proportional to 14,381,938.86, 19,846,957.68 and 7,855,572.48 is: 10,840,625.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,381,938.86 : 19,846,957.68 = 7,855,572.48 : x
  2. Step 2: Convert to fraction form
    14,381,938.86/19,846,957.68 = 7,855,572.48/x
  3. Step 3: Cross multiply
    14,381,938.86x = 19,846,957.68 × 7,855,572.48
  4. Step 4: Simplify right side
    14,381,938.86x = 155,909,214,562,732.66
  5. Step 5: Solve for x
    x = 155,909,214,562,732.66/14,381,938.86
  6. Step 6: Final answer
    x = 10,840,625.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.