Home / 15,774,967-21,769,454.46-8,531,623

Finding the Fourth Proportional to 15,774,967, 21,769,454.46 and 8,531,623

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Solution

The fourth proportional to 15,774,967, 21,769,454.46 and 8,531,623 is: 11,773,639.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,774,967 : 21,769,454.46 = 8,531,623 : x
  2. Step 2: Convert to fraction form
    15,774,967/21,769,454.46 = 8,531,623/x
  3. Step 3: Cross multiply
    15,774,967x = 21,769,454.46 × 8,531,623
  4. Step 4: Simplify right side
    15,774,967x = 185,728,778,368,388.59
  5. Step 5: Solve for x
    x = 185,728,778,368,388.59/15,774,967
  6. Step 6: Final answer
    x = 11,773,639.74

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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.