Home / 13,521,532.43-18,659,731.15-7,326,574.25

Finding the Fourth Proportional to 13,521,532.43, 18,659,731.15 and 7,326,574.25

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Solution

The fourth proportional to 13,521,532.43, 18,659,731.15 and 7,326,574.25 is: 10,110,681.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,521,532.43 : 18,659,731.15 = 7,326,574.25 : x
  2. Step 2: Convert to fraction form
    13,521,532.43/18,659,731.15 = 7,326,574.25/x
  3. Step 3: Cross multiply
    13,521,532.43x = 18,659,731.15 × 7,326,574.25
  4. Step 4: Simplify right side
    13,521,532.43x = 136,711,905,741,346.45
  5. Step 5: Solve for x
    x = 136,711,905,741,346.45/13,521,532.43
  6. Step 6: Final answer
    x = 10,110,681.35

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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.