Home / 21,186,554.85-31,780,127.53-6,040,486.35

Finding the Fourth Proportional to 21,186,554.85, 31,780,127.53 and 6,040,486.35

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Solution

The fourth proportional to 21,186,554.85, 31,780,127.53 and 6,040,486.35 is: 9,060,813.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,186,554.85 : 31,780,127.53 = 6,040,486.35 : x
  2. Step 2: Convert to fraction form
    21,186,554.85/31,780,127.53 = 6,040,486.35/x
  3. Step 3: Cross multiply
    21,186,554.85x = 31,780,127.53 × 6,040,486.35
  4. Step 4: Simplify right side
    21,186,554.85x = 191,967,426,546,224.22
  5. Step 5: Solve for x
    x = 191,967,426,546,224.22/21,186,554.85
  6. Step 6: Final answer
    x = 9,060,813.70

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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.