Home / 31,575,640.32-47,382,355.84-13,624,744.32

Finding the Fourth Proportional to 31,575,640.32, 47,382,355.84 and 13,624,744.32

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Solution

The fourth proportional to 31,575,640.32, 47,382,355.84 and 13,624,744.32 is: 20,445,269.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,575,640.32 : 47,382,355.84 = 13,624,744.32 : x
  2. Step 2: Convert to fraction form
    31,575,640.32/47,382,355.84 = 13,624,744.32/x
  3. Step 3: Cross multiply
    31,575,640.32x = 47,382,355.84 × 13,624,744.32
  4. Step 4: Simplify right side
    31,575,640.32x = 645,572,483,599,258.88
  5. Step 5: Solve for x
    x = 645,572,483,599,258.88/31,575,640.32
  6. Step 6: Final answer
    x = 20,445,269.74

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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.