Home / 31,408,901.40-47,113,352.10-26,407,378.20

Finding the Fourth Proportional to 31,408,901.40, 47,113,352.10 and 26,407,378.20

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Solution

The fourth proportional to 31,408,901.40, 47,113,352.10 and 26,407,378.20 is: 39,611,067.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,408,901.40 : 47,113,352.10 = 26,407,378.20 : x
  2. Step 2: Convert to fraction form
    31,408,901.40/47,113,352.10 = 26,407,378.20/x
  3. Step 3: Cross multiply
    31,408,901.40x = 47,113,352.10 × 26,407,378.20
  4. Step 4: Simplify right side
    31,408,901.40x = 1,244,140,107,174,464.25
  5. Step 5: Solve for x
    x = 1,244,140,107,174,464.25/31,408,901.40
  6. Step 6: Final answer
    x = 39,611,067.30

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1.5x scale

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.