Home / 15,435,649.74-21,301,227.41-8,466,384.23

Finding the Fourth Proportional to 15,435,649.74, 21,301,227.41 and 8,466,384.23

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Solution

The fourth proportional to 15,435,649.74, 21,301,227.41 and 8,466,384.23 is: 11,683,627.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,435,649.74 : 21,301,227.41 = 8,466,384.23 : x
  2. Step 2: Convert to fraction form
    15,435,649.74/21,301,227.41 = 8,466,384.23/x
  3. Step 3: Cross multiply
    15,435,649.74x = 21,301,227.41 × 8,466,384.23
  4. Step 4: Simplify right side
    15,435,649.74x = 180,344,375,823,667.75
  5. Step 5: Solve for x
    x = 180,344,375,823,667.75/15,435,649.74
  6. Step 6: Final answer
    x = 11,683,627.11

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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.