Home / 13,464,664.80-20,209,681.80-7,079,499.60

Finding the Fourth Proportional to 13,464,664.80, 20,209,681.80 and 7,079,499.60

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Solution

The fourth proportional to 13,464,664.80, 20,209,681.80 and 7,079,499.60 is: 10,625,918.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,464,664.80 : 20,209,681.80 = 7,079,499.60 : x
  2. Step 2: Convert to fraction form
    13,464,664.80/20,209,681.80 = 7,079,499.60/x
  3. Step 3: Cross multiply
    13,464,664.80x = 20,209,681.80 × 7,079,499.60
  4. Step 4: Simplify right side
    13,464,664.80x = 143,074,434,219,227.28
  5. Step 5: Solve for x
    x = 143,074,434,219,227.28/13,464,664.80
  6. Step 6: Final answer
    x = 10,625,918.75

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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.