Home / 13,987,373.55-20,963,437.85-7,494,345.51

Finding the Fourth Proportional to 13,987,373.55, 20,963,437.85 and 7,494,345.51

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Solution

The fourth proportional to 13,987,373.55, 20,963,437.85 and 7,494,345.51 is: 11,232,076.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,987,373.55 : 20,963,437.85 = 7,494,345.51 : x
  2. Step 2: Convert to fraction form
    13,987,373.55/20,963,437.85 = 7,494,345.51/x
  3. Step 3: Cross multiply
    13,987,373.55x = 20,963,437.85 × 7,494,345.51
  4. Step 4: Simplify right side
    13,987,373.55x = 157,107,246,287,839.81
  5. Step 5: Solve for x
    x = 157,107,246,287,839.81/13,987,373.55
  6. Step 6: Final answer
    x = 11,232,076.25

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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.