Home / 15,818,472.64-21,828,644.40-8,942,544.64

Finding the Fourth Proportional to 15,818,472.64, 21,828,644.40 and 8,942,544.64

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Solution

The fourth proportional to 15,818,472.64, 21,828,644.40 and 8,942,544.64 is: 12,340,232.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,818,472.64 : 21,828,644.40 = 8,942,544.64 : x
  2. Step 2: Convert to fraction form
    15,818,472.64/21,828,644.40 = 8,942,544.64/x
  3. Step 3: Cross multiply
    15,818,472.64x = 21,828,644.40 × 8,942,544.64
  4. Step 4: Simplify right side
    15,818,472.64x = 195,203,626,977,686.03
  5. Step 5: Solve for x
    x = 195,203,626,977,686.03/15,818,472.64
  6. Step 6: Final answer
    x = 12,340,232.30

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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.