Home / 21,430,340.46-29,573,847.36-11,640,792.42

Finding the Fourth Proportional to 21,430,340.46, 29,573,847.36 and 11,640,792.42

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Solution

The fourth proportional to 21,430,340.46, 29,573,847.36 and 11,640,792.42 is: 16,064,281.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,430,340.46 : 29,573,847.36 = 11,640,792.42 : x
  2. Step 2: Convert to fraction form
    21,430,340.46/29,573,847.36 = 11,640,792.42/x
  3. Step 3: Cross multiply
    21,430,340.46x = 29,573,847.36 × 11,640,792.42
  4. Step 4: Simplify right side
    21,430,340.46x = 344,263,018,178,525
  5. Step 5: Solve for x
    x = 344,263,018,178,525/21,430,340.46
  6. Step 6: Final answer
    x = 16,064,281.33

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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.