Home / 13,643,016.22-18,827,246.91-7,531,313.50

Finding the Fourth Proportional to 13,643,016.22, 18,827,246.91 and 7,531,313.50

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Solution

The fourth proportional to 13,643,016.22, 18,827,246.91 and 7,531,313.50 is: 10,393,148.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,643,016.22 : 18,827,246.91 = 7,531,313.50 : x
  2. Step 2: Convert to fraction form
    13,643,016.22/18,827,246.91 = 7,531,313.50/x
  3. Step 3: Cross multiply
    13,643,016.22x = 18,827,246.91 × 7,531,313.50
  4. Step 4: Simplify right side
    13,643,016.22x = 141,793,898,821,116.28
  5. Step 5: Solve for x
    x = 141,793,898,821,116.28/13,643,016.22
  6. Step 6: Final answer
    x = 10,393,148.89

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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.