Home / 20,064,131-27,690,208.40-11,363,851.32

Finding the Fourth Proportional to 20,064,131, 27,690,208.40 and 11,363,851.32

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Solution

The fourth proportional to 20,064,131, 27,690,208.40 and 11,363,851.32 is: 15,683,081.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,064,131 : 27,690,208.40 = 11,363,851.32 : x
  2. Step 2: Convert to fraction form
    20,064,131/27,690,208.40 = 11,363,851.32/x
  3. Step 3: Cross multiply
    20,064,131x = 27,690,208.40 × 11,363,851.32
  4. Step 4: Simplify right side
    20,064,131x = 314,667,411,277,415.06
  5. Step 5: Solve for x
    x = 314,667,411,277,415.06/20,064,131
  6. Step 6: Final answer
    x = 15,683,081.98

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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.