Home / 6,780,678.70-9,348,432.53-4,893,125.81

Finding the Fourth Proportional to 6,780,678.70, 9,348,432.53 and 4,893,125.81

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Solution

The fourth proportional to 6,780,678.70, 9,348,432.53 and 4,893,125.81 is: 6,746,088.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780,678.70 : 9,348,432.53 = 4,893,125.81 : x
  2. Step 2: Convert to fraction form
    6,780,678.70/9,348,432.53 = 4,893,125.81/x
  3. Step 3: Cross multiply
    6,780,678.70x = 9,348,432.53 × 4,893,125.81
  4. Step 4: Simplify right side
    6,780,678.70x = 45,743,056,448,844.43
  5. Step 5: Solve for x
    x = 45,743,056,448,844.43/6,780,678.70
  6. Step 6: Final answer
    x = 6,746,088.18

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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.