Home / 27,776,311.80-38,331,616.86-15,386,595

Finding the Fourth Proportional to 27,776,311.80, 38,331,616.86 and 15,386,595

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Solution

The fourth proportional to 27,776,311.80, 38,331,616.86 and 15,386,595 is: 21,233,670.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,776,311.80 : 38,331,616.86 = 15,386,595 : x
  2. Step 2: Convert to fraction form
    27,776,311.80/38,331,616.86 = 15,386,595/x
  3. Step 3: Cross multiply
    27,776,311.80x = 38,331,616.86 × 15,386,595
  4. Step 4: Simplify right side
    27,776,311.80x = 589,793,064,319,991.75
  5. Step 5: Solve for x
    x = 589,793,064,319,991.75/27,776,311.80
  6. Step 6: Final answer
    x = 21,233,670.93

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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.