Home / 21,024,069.20-31,536,103.80-16,772,541.20

Finding the Fourth Proportional to 21,024,069.20, 31,536,103.80 and 16,772,541.20

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Solution

The fourth proportional to 21,024,069.20, 31,536,103.80 and 16,772,541.20 is: 25,158,811.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,024,069.20 : 31,536,103.80 = 16,772,541.20 : x
  2. Step 2: Convert to fraction form
    21,024,069.20/31,536,103.80 = 16,772,541.20/x
  3. Step 3: Cross multiply
    21,024,069.20x = 31,536,103.80 × 16,772,541.20
  4. Step 4: Simplify right side
    21,024,069.20x = 528,940,600,272,976.56
  5. Step 5: Solve for x
    x = 528,940,600,272,976.56/21,024,069.20
  6. Step 6: Final answer
    x = 25,158,811.80

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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.