Home / 26,630,998.32-36,788,401.08-21,191,530.80

Finding the Fourth Proportional to 26,630,998.32, 36,788,401.08 and 21,191,530.80

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Solution

The fourth proportional to 26,630,998.32, 36,788,401.08 and 21,191,530.80 is: 29,274,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,630,998.32 : 36,788,401.08 = 21,191,530.80 : x
  2. Step 2: Convert to fraction form
    26,630,998.32/36,788,401.08 = 21,191,530.80/x
  3. Step 3: Cross multiply
    26,630,998.32x = 36,788,401.08 × 21,191,530.80
  4. Step 4: Simplify right side
    26,630,998.32x = 779,602,534,569,573.25
  5. Step 5: Solve for x
    x = 779,602,534,569,573.25/26,630,998.32
  6. Step 6: Final answer
    x = 29,274,251.20

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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.