Home / 7,239,823.84-9,983,925.48-4,890,188.80

Finding the Fourth Proportional to 7,239,823.84, 9,983,925.48 and 4,890,188.80

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Solution

The fourth proportional to 7,239,823.84, 9,983,925.48 and 4,890,188.80 is: 6,743,711.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239,823.84 : 9,983,925.48 = 4,890,188.80 : x
  2. Step 2: Convert to fraction form
    7,239,823.84/9,983,925.48 = 4,890,188.80/x
  3. Step 3: Cross multiply
    7,239,823.84x = 9,983,925.48 × 4,890,188.80
  4. Step 4: Simplify right side
    7,239,823.84x = 48,823,280,562,330.62
  5. Step 5: Solve for x
    x = 48,823,280,562,330.62/7,239,823.84
  6. Step 6: Final answer
    x = 6,743,711.12

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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.