Home / 10,110,621.15-15,164,436.80-3,719,378.86

Finding the Fourth Proportional to 10,110,621.15, 15,164,436.80 and 3,719,378.86

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Solution

The fourth proportional to 10,110,621.15, 15,164,436.80 and 3,719,378.86 is: 5,578,518.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,110,621.15 : 15,164,436.80 = 3,719,378.86 : x
  2. Step 2: Convert to fraction form
    10,110,621.15/15,164,436.80 = 3,719,378.86/x
  3. Step 3: Cross multiply
    10,110,621.15x = 15,164,436.80 × 3,719,378.86
  4. Step 4: Simplify right side
    10,110,621.15x = 56,402,285,629,113.41
  5. Step 5: Solve for x
    x = 56,402,285,629,113.41/10,110,621.15
  6. Step 6: Final answer
    x = 5,578,518.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.