Home / 8,657,051.45-11,945,680.82-4,987,156.10

Finding the Fourth Proportional to 8,657,051.45, 11,945,680.82 and 4,987,156.10

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Solution

The fourth proportional to 8,657,051.45, 11,945,680.82 and 4,987,156.10 is: 6,881,670.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,657,051.45 : 11,945,680.82 = 4,987,156.10 : x
  2. Step 2: Convert to fraction form
    8,657,051.45/11,945,680.82 = 4,987,156.10/x
  3. Step 3: Cross multiply
    8,657,051.45x = 11,945,680.82 × 4,987,156.10
  4. Step 4: Simplify right side
    8,657,051.45x = 59,574,974,970,116
  5. Step 5: Solve for x
    x = 59,574,974,970,116/8,657,051.45
  6. Step 6: Final answer
    x = 6,881,670.43

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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.