Home / 21,783,601.20-32,675,401.80-13,721,444.40

Finding the Fourth Proportional to 21,783,601.20, 32,675,401.80 and 13,721,444.40

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Solution

The fourth proportional to 21,783,601.20, 32,675,401.80 and 13,721,444.40 is: 20,582,166.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,783,601.20 : 32,675,401.80 = 13,721,444.40 : x
  2. Step 2: Convert to fraction form
    21,783,601.20/32,675,401.80 = 13,721,444.40/x
  3. Step 3: Cross multiply
    21,783,601.20x = 32,675,401.80 × 13,721,444.40
  4. Step 4: Simplify right side
    21,783,601.20x = 448,353,709,046,359.94
  5. Step 5: Solve for x
    x = 448,353,709,046,359.94/21,783,601.20
  6. Step 6: Final answer
    x = 20,582,166.60

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1.5x scale

Why These Related Problems?

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