Home / 13,743,316.50-18,966,004.64-7,548,935.70

Finding the Fourth Proportional to 13,743,316.50, 18,966,004.64 and 7,548,935.70

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Solution

The fourth proportional to 13,743,316.50, 18,966,004.64 and 7,548,935.70 is: 10,417,656.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743,316.50 : 18,966,004.64 = 7,548,935.70 : x
  2. Step 2: Convert to fraction form
    13,743,316.50/18,966,004.64 = 7,548,935.70/x
  3. Step 3: Cross multiply
    13,743,316.50x = 18,966,004.64 × 7,548,935.70
  4. Step 4: Simplify right side
    13,743,316.50x = 143,173,149,513,261.66
  5. Step 5: Solve for x
    x = 143,173,149,513,261.66/13,743,316.50
  6. Step 6: Final answer
    x = 10,417,656.43

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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.