Home / 16,789,061.40-25,183,592.10-5,430,658.20

Finding the Fourth Proportional to 16,789,061.40, 25,183,592.10 and 5,430,658.20

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Solution

The fourth proportional to 16,789,061.40, 25,183,592.10 and 5,430,658.20 is: 8,145,987.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,789,061.40 : 25,183,592.10 = 5,430,658.20 : x
  2. Step 2: Convert to fraction form
    16,789,061.40/25,183,592.10 = 5,430,658.20/x
  3. Step 3: Cross multiply
    16,789,061.40x = 25,183,592.10 × 5,430,658.20
  4. Step 4: Simplify right side
    16,789,061.40x = 136,763,480,943,320.23
  5. Step 5: Solve for x
    x = 136,763,480,943,320.23/16,789,061.40
  6. Step 6: Final answer
    x = 8,145,987.30

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Similar ratio
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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.