Home / 13,319,275.06-18,380,599.62-7,207,703.56

Finding the Fourth Proportional to 13,319,275.06, 18,380,599.62 and 7,207,703.56

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Solution

The fourth proportional to 13,319,275.06, 18,380,599.62 and 7,207,703.56 is: 9,946,630.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319,275.06 : 18,380,599.62 = 7,207,703.56 : x
  2. Step 2: Convert to fraction form
    13,319,275.06/18,380,599.62 = 7,207,703.56/x
  3. Step 3: Cross multiply
    13,319,275.06x = 18,380,599.62 × 7,207,703.56
  4. Step 4: Simplify right side
    13,319,275.06x = 132,481,913,316,008.64
  5. Step 5: Solve for x
    x = 132,481,913,316,008.64/13,319,275.06
  6. Step 6: Final answer
    x = 9,946,630.93

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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.