Home / 21,060,173.90-29,064,162.65-11,767,969.54

Finding the Fourth Proportional to 21,060,173.90, 29,064,162.65 and 11,767,969.54

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Solution

The fourth proportional to 21,060,173.90, 29,064,162.65 and 11,767,969.54 is: 16,240,425.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,060,173.90 : 29,064,162.65 = 11,767,969.54 : x
  2. Step 2: Convert to fraction form
    21,060,173.90/29,064,162.65 = 11,767,969.54/x
  3. Step 3: Cross multiply
    21,060,173.90x = 29,064,162.65 × 11,767,969.54
  4. Step 4: Simplify right side
    21,060,173.90x = 342,026,180,727,565.19
  5. Step 5: Solve for x
    x = 342,026,180,727,565.19/21,060,173.90
  6. Step 6: Final answer
    x = 16,240,425.28

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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.