Home / 14,499,979.60-21,749,969.40-9,722,405.20

Finding the Fourth Proportional to 14,499,979.60, 21,749,969.40 and 9,722,405.20

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Solution

The fourth proportional to 14,499,979.60, 21,749,969.40 and 9,722,405.20 is: 14,583,607.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,499,979.60 : 21,749,969.40 = 9,722,405.20 : x
  2. Step 2: Convert to fraction form
    14,499,979.60/21,749,969.40 = 9,722,405.20/x
  3. Step 3: Cross multiply
    14,499,979.60x = 21,749,969.40 × 9,722,405.20
  4. Step 4: Simplify right side
    14,499,979.60x = 211,462,015,594,400.84
  5. Step 5: Solve for x
    x = 211,462,015,594,400.84/14,499,979.60
  6. Step 6: Final answer
    x = 14,583,607.80

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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.