Home / 7,243,619.82-9,986,206.80-5,778,501.88

Finding the Fourth Proportional to 7,243,619.82, 9,986,206.80 and 5,778,501.88

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Solution

The fourth proportional to 7,243,619.82, 9,986,206.80 and 5,778,501.88 is: 7,966,364.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,619.82 : 9,986,206.80 = 5,778,501.88 : x
  2. Step 2: Convert to fraction form
    7,243,619.82/9,986,206.80 = 5,778,501.88/x
  3. Step 3: Cross multiply
    7,243,619.82x = 9,986,206.80 × 5,778,501.88
  4. Step 4: Simplify right side
    7,243,619.82x = 57,705,314,734,540.67
  5. Step 5: Solve for x
    x = 57,705,314,734,540.67/7,243,619.82
  6. Step 6: Final answer
    x = 7,966,364.35

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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.