Home / 10,334,465.47-15,503,938.51-3,145,811.50

Finding the Fourth Proportional to 10,334,465.47, 15,503,938.51 and 3,145,811.50

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Solution

The fourth proportional to 10,334,465.47, 15,503,938.51 and 3,145,811.50 is: 4,719,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,334,465.47 : 15,503,938.51 = 3,145,811.50 : x
  2. Step 2: Convert to fraction form
    10,334,465.47/15,503,938.51 = 3,145,811.50/x
  3. Step 3: Cross multiply
    10,334,465.47x = 15,503,938.51 × 3,145,811.50
  4. Step 4: Simplify right side
    10,334,465.47x = 48,772,468,060,050.87
  5. Step 5: Solve for x
    x = 48,772,468,060,050.87/10,334,465.47
  6. Step 6: Final answer
    x = 4,719,399.20

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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.