Home / 21,805,428.54-30,092,808.51-12,015,856.02

Finding the Fourth Proportional to 21,805,428.54, 30,092,808.51 and 12,015,856.02

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Solution

The fourth proportional to 21,805,428.54, 30,092,808.51 and 12,015,856.02 is: 16,582,607.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,805,428.54 : 30,092,808.51 = 12,015,856.02 : x
  2. Step 2: Convert to fraction form
    21,805,428.54/30,092,808.51 = 12,015,856.02/x
  3. Step 3: Cross multiply
    21,805,428.54x = 30,092,808.51 × 12,015,856.02
  4. Step 4: Simplify right side
    21,805,428.54x = 361,590,854,293,590.75
  5. Step 5: Solve for x
    x = 361,590,854,293,590.75/21,805,428.54
  6. Step 6: Final answer
    x = 16,582,607.11

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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.