Home / 15,774,628.48-21,769,001.84-8,531,284.48

Finding the Fourth Proportional to 15,774,628.48, 21,769,001.84 and 8,531,284.48

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Solution

The fourth proportional to 15,774,628.48, 21,769,001.84 and 8,531,284.48 is: 11,773,180.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,774,628.48 : 21,769,001.84 = 8,531,284.48 : x
  2. Step 2: Convert to fraction form
    15,774,628.48/21,769,001.84 = 8,531,284.48/x
  3. Step 3: Cross multiply
    15,774,628.48x = 21,769,001.84 × 8,531,284.48
  4. Step 4: Simplify right side
    15,774,628.48x = 185,717,547,542,683.44
  5. Step 5: Solve for x
    x = 185,717,547,542,683.44/15,774,628.48
  6. Step 6: Final answer
    x = 11,773,180.44

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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.