Home / 21,408,441.20-32,112,661.80-9,893,886.20

Finding the Fourth Proportional to 21,408,441.20, 32,112,661.80 and 9,893,886.20

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Solution

The fourth proportional to 21,408,441.20, 32,112,661.80 and 9,893,886.20 is: 14,840,829.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,408,441.20 : 32,112,661.80 = 9,893,886.20 : x
  2. Step 2: Convert to fraction form
    21,408,441.20/32,112,661.80 = 9,893,886.20/x
  3. Step 3: Cross multiply
    21,408,441.20x = 32,112,661.80 × 9,893,886.20
  4. Step 4: Simplify right side
    21,408,441.20x = 317,719,021,428,287.12
  5. Step 5: Solve for x
    x = 317,719,021,428,287.12/21,408,441.20
  6. Step 6: Final answer
    x = 14,840,829.30

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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.