Home / 15,439,393.01-21,306,294.09-8,823,871.10

Finding the Fourth Proportional to 15,439,393.01, 21,306,294.09 and 8,823,871.10

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Solution

The fourth proportional to 15,439,393.01, 21,306,294.09 and 8,823,871.10 is: 12,176,903.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,439,393.01 : 21,306,294.09 = 8,823,871.10 : x
  2. Step 2: Convert to fraction form
    15,439,393.01/21,306,294.09 = 8,823,871.10/x
  3. Step 3: Cross multiply
    15,439,393.01x = 21,306,294.09 × 8,823,871.10
  4. Step 4: Simplify right side
    15,439,393.01x = 188,003,992,562,320.34
  5. Step 5: Solve for x
    x = 188,003,992,562,320.34/15,439,393.01
  6. Step 6: Final answer
    x = 12,176,903.10

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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.