Home / 15,237,963.98-21,022,403.94-8,708,090.25

Finding the Fourth Proportional to 15,237,963.98, 21,022,403.94 and 8,708,090.25

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Solution

The fourth proportional to 15,237,963.98, 21,022,403.94 and 8,708,090.25 is: 12,013,743.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,237,963.98 : 21,022,403.94 = 8,708,090.25 : x
  2. Step 2: Convert to fraction form
    15,237,963.98/21,022,403.94 = 8,708,090.25/x
  3. Step 3: Cross multiply
    15,237,963.98x = 21,022,403.94 × 8,708,090.25
  4. Step 4: Simplify right side
    15,237,963.98x = 183,064,990,781,475.59
  5. Step 5: Solve for x
    x = 183,064,990,781,475.59/15,237,963.98
  6. Step 6: Final answer
    x = 12,013,743.51

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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.