Home / 15,911,723.16-21,952,420.20-10,408,236.48

Finding the Fourth Proportional to 15,911,723.16, 21,952,420.20 and 10,408,236.48

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Solution

The fourth proportional to 15,911,723.16, 21,952,420.20 and 10,408,236.48 is: 14,359,600.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,911,723.16 : 21,952,420.20 = 10,408,236.48 : x
  2. Step 2: Convert to fraction form
    15,911,723.16/21,952,420.20 = 10,408,236.48/x
  3. Step 3: Cross multiply
    15,911,723.16x = 21,952,420.20 × 10,408,236.48
  4. Step 4: Simplify right side
    15,911,723.16x = 228,485,980,749,928.91
  5. Step 5: Solve for x
    x = 228,485,980,749,928.91/15,911,723.16
  6. Step 6: Final answer
    x = 14,359,600.05

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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.