Home / 12,823,253.89-17,695,558.92-7,021,935.68

Finding the Fourth Proportional to 12,823,253.89, 17,695,558.92 and 7,021,935.68

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Solution

The fourth proportional to 12,823,253.89, 17,695,558.92 and 7,021,935.68 is: 9,689,980.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,823,253.89 : 17,695,558.92 = 7,021,935.68 : x
  2. Step 2: Convert to fraction form
    12,823,253.89/17,695,558.92 = 7,021,935.68/x
  3. Step 3: Cross multiply
    12,823,253.89x = 17,695,558.92 × 7,021,935.68
  4. Step 4: Simplify right side
    12,823,253.89x = 124,257,076,495,744.72
  5. Step 5: Solve for x
    x = 124,257,076,495,744.72/12,823,253.89
  6. Step 6: Final answer
    x = 9,689,980.22

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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.