Home / 12,968,866.48-17,899,212.96-8,780,652.12

Finding the Fourth Proportional to 12,968,866.48, 17,899,212.96 and 8,780,652.12

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Solution

The fourth proportional to 12,968,866.48, 17,899,212.96 and 8,780,652.12 is: 12,118,774.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,968,866.48 : 17,899,212.96 = 8,780,652.12 : x
  2. Step 2: Convert to fraction form
    12,968,866.48/17,899,212.96 = 8,780,652.12/x
  3. Step 3: Cross multiply
    12,968,866.48x = 17,899,212.96 × 8,780,652.12
  4. Step 4: Simplify right side
    12,968,866.48x = 157,166,762,223,555.47
  5. Step 5: Solve for x
    x = 157,166,762,223,555.47/12,968,866.48
  6. Step 6: Final answer
    x = 12,118,774.02

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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.