Home / 15,241,501.72-21,033,093.54-8,272,191.52

Finding the Fourth Proportional to 15,241,501.72, 21,033,093.54 and 8,272,191.52

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Solution

The fourth proportional to 15,241,501.72, 21,033,093.54 and 8,272,191.52 is: 11,415,527.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,241,501.72 : 21,033,093.54 = 8,272,191.52 : x
  2. Step 2: Convert to fraction form
    15,241,501.72/21,033,093.54 = 8,272,191.52/x
  3. Step 3: Cross multiply
    15,241,501.72x = 21,033,093.54 × 8,272,191.52
  4. Step 4: Simplify right side
    15,241,501.72x = 173,989,778,020,954.75
  5. Step 5: Solve for x
    x = 173,989,778,020,954.75/15,241,501.72
  6. Step 6: Final answer
    x = 11,415,527.24

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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.