Home / 15,504,306.51-21,395,943.27-8,630,412.42

Finding the Fourth Proportional to 15,504,306.51, 21,395,943.27 and 8,630,412.42

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Solution

The fourth proportional to 15,504,306.51, 21,395,943.27 and 8,630,412.42 is: 11,909,969.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,504,306.51 : 21,395,943.27 = 8,630,412.42 : x
  2. Step 2: Convert to fraction form
    15,504,306.51/21,395,943.27 = 8,630,412.42/x
  3. Step 3: Cross multiply
    15,504,306.51x = 21,395,943.27 × 8,630,412.42
  4. Step 4: Simplify right side
    15,504,306.51x = 184,655,814,535,023.41
  5. Step 5: Solve for x
    x = 184,655,814,535,023.41/15,504,306.51
  6. Step 6: Final answer
    x = 11,909,969.30

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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.