Home / 21,409,565.40-32,105,016.90-8,625,821.40

Finding the Fourth Proportional to 21,409,565.40, 32,105,016.90 and 8,625,821.40

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Solution

The fourth proportional to 21,409,565.40, 32,105,016.90 and 8,625,821.40 is: 12,934,972.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,409,565.40 : 32,105,016.90 = 8,625,821.40 : x
  2. Step 2: Convert to fraction form
    21,409,565.40/32,105,016.90 = 8,625,821.40/x
  3. Step 3: Cross multiply
    21,409,565.40x = 32,105,016.90 × 8,625,821.40
  4. Step 4: Simplify right side
    21,409,565.40x = 276,932,141,823,381.66
  5. Step 5: Solve for x
    x = 276,932,141,823,381.66/21,409,565.40
  6. Step 6: Final answer
    x = 12,934,972.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.