Home / 40,425,885.60-60,638,828.40-30,859,947.60

Finding the Fourth Proportional to 40,425,885.60, 60,638,828.40 and 30,859,947.60

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Solution

The fourth proportional to 40,425,885.60, 60,638,828.40 and 30,859,947.60 is: 46,289,921.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,425,885.60 : 60,638,828.40 = 30,859,947.60 : x
  2. Step 2: Convert to fraction form
    40,425,885.60/60,638,828.40 = 30,859,947.60/x
  3. Step 3: Cross multiply
    40,425,885.60x = 60,638,828.40 × 30,859,947.60
  4. Step 4: Simplify right side
    40,425,885.60x = 1,871,311,066,949,392
  5. Step 5: Solve for x
    x = 1,871,311,066,949,392/40,425,885.60
  6. Step 6: Final answer
    x = 46,289,921.40

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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.