Home / 15,224,416.88-21,009,672.80-8,255,081.77

Finding the Fourth Proportional to 15,224,416.88, 21,009,672.80 and 8,255,081.77

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Solution

The fourth proportional to 15,224,416.88, 21,009,672.80 and 8,255,081.77 is: 11,392,000.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,224,416.88 : 21,009,672.80 = 8,255,081.77 : x
  2. Step 2: Convert to fraction form
    15,224,416.88/21,009,672.80 = 8,255,081.77/x
  3. Step 3: Cross multiply
    15,224,416.88x = 21,009,672.80 × 8,255,081.77
  4. Step 4: Simplify right side
    15,224,416.88x = 173,436,566,893,058.38
  5. Step 5: Solve for x
    x = 173,436,566,893,058.38/15,224,416.88
  6. Step 6: Final answer
    x = 11,392,000.65

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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.