Home / 27,620,662.52-38,118,783.60-15,233,178.80

Finding the Fourth Proportional to 27,620,662.52, 38,118,783.60 and 15,233,178.80

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Solution

The fourth proportional to 27,620,662.52, 38,118,783.60 and 15,233,178.80 is: 21,023,038.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,620,662.52 : 38,118,783.60 = 15,233,178.80 : x
  2. Step 2: Convert to fraction form
    27,620,662.52/38,118,783.60 = 15,233,178.80/x
  3. Step 3: Cross multiply
    27,620,662.52x = 38,118,783.60 × 15,233,178.80
  4. Step 4: Simplify right side
    27,620,662.52x = 580,670,246,217,307.75
  5. Step 5: Solve for x
    x = 580,670,246,217,307.75/27,620,662.52
  6. Step 6: Final answer
    x = 21,023,038.31

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1.5x scale

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.