Home / 13,505,503.38-18,637,594.90-7,393,931.88

Finding the Fourth Proportional to 13,505,503.38, 18,637,594.90 and 7,393,931.88

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Solution

The fourth proportional to 13,505,503.38, 18,637,594.90 and 7,393,931.88 is: 10,203,626.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,505,503.38 : 18,637,594.90 = 7,393,931.88 : x
  2. Step 2: Convert to fraction form
    13,505,503.38/18,637,594.90 = 7,393,931.88/x
  3. Step 3: Cross multiply
    13,505,503.38x = 18,637,594.90 × 7,393,931.88
  4. Step 4: Simplify right side
    13,505,503.38x = 137,805,107,097,635.41
  5. Step 5: Solve for x
    x = 137,805,107,097,635.41/13,505,503.38
  6. Step 6: Final answer
    x = 10,203,626.12

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1.5x scale

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.