Home / 38,869,361.28-53,640,567.36-21,465,671.04

Finding the Fourth Proportional to 38,869,361.28, 53,640,567.36 and 21,465,671.04

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Solution

The fourth proportional to 38,869,361.28, 53,640,567.36 and 21,465,671.04 is: 29,623,094.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,869,361.28 : 53,640,567.36 = 21,465,671.04 : x
  2. Step 2: Convert to fraction form
    38,869,361.28/53,640,567.36 = 21,465,671.04/x
  3. Step 3: Cross multiply
    38,869,361.28x = 53,640,567.36 × 21,465,671.04
  4. Step 4: Simplify right side
    38,869,361.28x = 1,151,430,773,348,721.25
  5. Step 5: Solve for x
    x = 1,151,430,773,348,721.25/38,869,361.28
  6. Step 6: Final answer
    x = 29,623,094.78

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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.