Home / 6,639,897.80-9,964,512.30-4,249,555.40

Finding the Fourth Proportional to 6,639,897.80, 9,964,512.30 and 4,249,555.40

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Solution

The fourth proportional to 6,639,897.80, 9,964,512.30 and 4,249,555.40 is: 6,377,319.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639,897.80 : 9,964,512.30 = 4,249,555.40 : x
  2. Step 2: Convert to fraction form
    6,639,897.80/9,964,512.30 = 4,249,555.40/x
  3. Step 3: Cross multiply
    6,639,897.80x = 9,964,512.30 × 4,249,555.40
  4. Step 4: Simplify right side
    6,639,897.80x = 42,344,747,052,831.43
  5. Step 5: Solve for x
    x = 42,344,747,052,831.43/6,639,897.80
  6. Step 6: Final answer
    x = 6,377,319.10

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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.