Home / 7,328,540.80-10,992,811.20-6,152,809.60

Finding the Fourth Proportional to 7,328,540.80, 10,992,811.20 and 6,152,809.60

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Solution

The fourth proportional to 7,328,540.80, 10,992,811.20 and 6,152,809.60 is: 9,229,214.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328,540.80 : 10,992,811.20 = 6,152,809.60 : x
  2. Step 2: Convert to fraction form
    7,328,540.80/10,992,811.20 = 6,152,809.60/x
  3. Step 3: Cross multiply
    7,328,540.80x = 10,992,811.20 × 6,152,809.60
  4. Step 4: Simplify right side
    7,328,540.80x = 67,636,674,282,347.51
  5. Step 5: Solve for x
    x = 67,636,674,282,347.51/7,328,540.80
  6. Step 6: Final answer
    x = 9,229,214.40

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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.