Home / 15,009,584.36-20,715,448.02-9,503,470.16

Finding the Fourth Proportional to 15,009,584.36, 20,715,448.02 and 9,503,470.16

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Solution

The fourth proportional to 15,009,584.36, 20,715,448.02 and 9,503,470.16 is: 13,116,195.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,009,584.36 : 20,715,448.02 = 9,503,470.16 : x
  2. Step 2: Convert to fraction form
    15,009,584.36/20,715,448.02 = 9,503,470.16/x
  3. Step 3: Cross multiply
    15,009,584.36x = 20,715,448.02 × 9,503,470.16
  4. Step 4: Simplify right side
    15,009,584.36x = 196,868,642,109,101.09
  5. Step 5: Solve for x
    x = 196,868,642,109,101.09/15,009,584.36
  6. Step 6: Final answer
    x = 13,116,195.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.