Home / 12,085,292.80-18,148,934.40-6,416,588.80

Finding the Fourth Proportional to 12,085,292.80, 18,148,934.40 and 6,416,588.80

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Solution

The fourth proportional to 12,085,292.80, 18,148,934.40 and 6,416,588.80 is: 9,636,030.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,085,292.80 : 18,148,934.40 = 6,416,588.80 : x
  2. Step 2: Convert to fraction form
    12,085,292.80/18,148,934.40 = 6,416,588.80/x
  3. Step 3: Cross multiply
    12,085,292.80x = 18,148,934.40 × 6,416,588.80
  4. Step 4: Simplify right side
    12,085,292.80x = 116,454,249,202,974.70
  5. Step 5: Solve for x
    x = 116,454,249,202,974.70/12,085,292.80
  6. Step 6: Final answer
    x = 9,636,030.43

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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.