Home / 15,557,875.90-21,470,212.72-8,588,537.34

Finding the Fourth Proportional to 15,557,875.90, 21,470,212.72 and 8,588,537.34

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Solution

The fourth proportional to 15,557,875.90, 21,470,212.72 and 8,588,537.34 is: 11,852,371.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,557,875.90 : 21,470,212.72 = 8,588,537.34 : x
  2. Step 2: Convert to fraction form
    15,557,875.90/21,470,212.72 = 8,588,537.34/x
  3. Step 3: Cross multiply
    15,557,875.90x = 21,470,212.72 × 8,588,537.34
  4. Step 4: Simplify right side
    15,557,875.90x = 184,397,723,643,462.94
  5. Step 5: Solve for x
    x = 184,397,723,643,462.94/15,557,875.90
  6. Step 6: Final answer
    x = 11,852,371.42

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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.