Home / 12,940,847.04-19,395,528.48-9,155,421.12

Finding the Fourth Proportional to 12,940,847.04, 19,395,528.48 and 9,155,421.12

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Solution

The fourth proportional to 12,940,847.04, 19,395,528.48 and 9,155,421.12 is: 13,721,994.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,940,847.04 : 19,395,528.48 = 9,155,421.12 : x
  2. Step 2: Convert to fraction form
    12,940,847.04/19,395,528.48 = 9,155,421.12/x
  3. Step 3: Cross multiply
    12,940,847.04x = 19,395,528.48 × 9,155,421.12
  4. Step 4: Simplify right side
    12,940,847.04x = 177,574,231,079,353.50
  5. Step 5: Solve for x
    x = 177,574,231,079,353.50/12,940,847.04
  6. Step 6: Final answer
    x = 13,721,994.44

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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.