Home / 20,599,510.72-30,899,266.16-10,985,763.20

Finding the Fourth Proportional to 20,599,510.72, 30,899,266.16 and 10,985,763.20

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Solution

The fourth proportional to 20,599,510.72, 30,899,266.16 and 10,985,763.20 is: 16,478,644.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,599,510.72 : 30,899,266.16 = 10,985,763.20 : x
  2. Step 2: Convert to fraction form
    20,599,510.72/30,899,266.16 = 10,985,763.20/x
  3. Step 3: Cross multiply
    20,599,510.72x = 30,899,266.16 × 10,985,763.20
  4. Step 4: Simplify right side
    20,599,510.72x = 339,452,021,087,533.31
  5. Step 5: Solve for x
    x = 339,452,021,087,533.31/20,599,510.72
  6. Step 6: Final answer
    x = 16,478,644.84

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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.