Home / 7,767,820.40-11,656,979.40-4,356,100.40

Finding the Fourth Proportional to 7,767,820.40, 11,656,979.40 and 4,356,100.40

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Solution

The fourth proportional to 7,767,820.40, 11,656,979.40 and 4,356,100.40 is: 6,537,094.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,767,820.40 : 11,656,979.40 = 4,356,100.40 : x
  2. Step 2: Convert to fraction form
    7,767,820.40/11,656,979.40 = 4,356,100.40/x
  3. Step 3: Cross multiply
    7,767,820.40x = 11,656,979.40 × 4,356,100.40
  4. Step 4: Simplify right side
    7,767,820.40x = 50,778,972,627,131.77
  5. Step 5: Solve for x
    x = 50,778,972,627,131.77/7,767,820.40
  6. Step 6: Final answer
    x = 6,537,094.06

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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.