Home / 19,640,423-27,105,903.11-10,820,775.52

Finding the Fourth Proportional to 19,640,423, 27,105,903.11 and 10,820,775.52

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Solution

The fourth proportional to 19,640,423, 27,105,903.11 and 10,820,775.52 is: 14,933,837.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,640,423 : 27,105,903.11 = 10,820,775.52 : x
  2. Step 2: Convert to fraction form
    19,640,423/27,105,903.11 = 10,820,775.52/x
  3. Step 3: Cross multiply
    19,640,423x = 27,105,903.11 × 10,820,775.52
  4. Step 4: Simplify right side
    19,640,423x = 293,306,892,820,179.88
  5. Step 5: Solve for x
    x = 293,306,892,820,179.88/19,640,423
  6. Step 6: Final answer
    x = 14,933,837.87

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1.5x scale

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.