Home / 21,371,520.80-32,078,276.40-10,600,983.20

Finding the Fourth Proportional to 21,371,520.80, 32,078,276.40 and 10,600,983.20

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Solution

The fourth proportional to 21,371,520.80, 32,078,276.40 and 10,600,983.20 is: 15,911,889.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,371,520.80 : 32,078,276.40 = 10,600,983.20 : x
  2. Step 2: Convert to fraction form
    21,371,520.80/32,078,276.40 = 10,600,983.20/x
  3. Step 3: Cross multiply
    21,371,520.80x = 32,078,276.40 × 10,600,983.20
  4. Step 4: Simplify right side
    21,371,520.80x = 340,061,269,201,356.44
  5. Step 5: Solve for x
    x = 340,061,269,201,356.44/21,371,520.80
  6. Step 6: Final answer
    x = 15,911,889.12

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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.