Home / 35,539,940.80-53,304,381.60-9,978,443.20

Finding the Fourth Proportional to 35,539,940.80, 53,304,381.60 and 9,978,443.20

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Solution

The fourth proportional to 35,539,940.80, 53,304,381.60 and 9,978,443.20 is: 14,966,112.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,539,940.80 : 53,304,381.60 = 9,978,443.20 : x
  2. Step 2: Convert to fraction form
    35,539,940.80/53,304,381.60 = 9,978,443.20/x
  3. Step 3: Cross multiply
    35,539,940.80x = 53,304,381.60 × 9,978,443.20
  4. Step 4: Simplify right side
    35,539,940.80x = 531,894,744,106,725.12
  5. Step 5: Solve for x
    x = 531,894,744,106,725.12/35,539,940.80
  6. Step 6: Final answer
    x = 14,966,112.27

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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.