Home / 12,389,534.67-18,584,668.32-5,913,292.31

Finding the Fourth Proportional to 12,389,534.67, 18,584,668.32 and 5,913,292.31

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Solution

The fourth proportional to 12,389,534.67, 18,584,668.32 and 5,913,292.31 is: 8,870,113.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,389,534.67 : 18,584,668.32 = 5,913,292.31 : x
  2. Step 2: Convert to fraction form
    12,389,534.67/18,584,668.32 = 5,913,292.31/x
  3. Step 3: Cross multiply
    12,389,534.67x = 18,584,668.32 × 5,913,292.31
  4. Step 4: Simplify right side
    12,389,534.67x = 109,896,576,265,041.39
  5. Step 5: Solve for x
    x = 109,896,576,265,041.39/12,389,534.67
  6. Step 6: Final answer
    x = 8,870,113.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.