Home / 15,774,853.50-21,769,297.83-8,531,509.50

Finding the Fourth Proportional to 15,774,853.50, 21,769,297.83 and 8,531,509.50

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Solution

The fourth proportional to 15,774,853.50, 21,769,297.83 and 8,531,509.50 is: 11,773,483.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,774,853.50 : 21,769,297.83 = 8,531,509.50 : x
  2. Step 2: Convert to fraction form
    15,774,853.50/21,769,297.83 = 8,531,509.50/x
  3. Step 3: Cross multiply
    15,774,853.50x = 21,769,297.83 × 8,531,509.50
  4. Step 4: Simplify right side
    15,774,853.50x = 185,724,971,244,974.38
  5. Step 5: Solve for x
    x = 185,724,971,244,974.38/15,774,853.50
  6. Step 6: Final answer
    x = 11,773,483.11

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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.