Home / 31,224,145.20-46,836,217.80-28,043,372.40

Finding the Fourth Proportional to 31,224,145.20, 46,836,217.80 and 28,043,372.40

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Solution

The fourth proportional to 31,224,145.20, 46,836,217.80 and 28,043,372.40 is: 42,065,058.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,224,145.20 : 46,836,217.80 = 28,043,372.40 : x
  2. Step 2: Convert to fraction form
    31,224,145.20/46,836,217.80 = 28,043,372.40/x
  3. Step 3: Cross multiply
    31,224,145.20x = 46,836,217.80 × 28,043,372.40
  4. Step 4: Simplify right side
    31,224,145.20x = 1,313,445,497,572,908.50
  5. Step 5: Solve for x
    x = 1,313,445,497,572,908.50/31,224,145.20
  6. Step 6: Final answer
    x = 42,065,058.60

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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.