Home / 28,419,361.16-42,622,612.49-13,051,877.00

Finding the Fourth Proportional to 28,419,361.16, 42,622,612.49 and 13,051,877.00

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Solution

The fourth proportional to 28,419,361.16, 42,622,612.49 and 13,051,877.00 is: 19,574,862.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,419,361.16 : 42,622,612.49 = 13,051,877.00 : x
  2. Step 2: Convert to fraction form
    28,419,361.16/42,622,612.49 = 13,051,877.00/x
  3. Step 3: Cross multiply
    28,419,361.16x = 42,622,612.49 × 13,051,877.00
  4. Step 4: Simplify right side
    28,419,361.16x = 556,305,095,457,660.31
  5. Step 5: Solve for x
    x = 556,305,095,457,660.31/28,419,361.16
  6. Step 6: Final answer
    x = 19,574,862.80

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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.