Home / 12,755,549.54-19,141,295.93-5,182,515.29

Finding the Fourth Proportional to 12,755,549.54, 19,141,295.93 and 5,182,515.29

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Solution

The fourth proportional to 12,755,549.54, 19,141,295.93 and 5,182,515.29 is: 7,777,011.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,755,549.54 : 19,141,295.93 = 5,182,515.29 : x
  2. Step 2: Convert to fraction form
    12,755,549.54/19,141,295.93 = 5,182,515.29/x
  3. Step 3: Cross multiply
    12,755,549.54x = 19,141,295.93 × 5,182,515.29
  4. Step 4: Simplify right side
    12,755,549.54x = 99,200,058,827,639.77
  5. Step 5: Solve for x
    x = 99,200,058,827,639.77/12,755,549.54
  6. Step 6: Final answer
    x = 7,777,011.76

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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.