Home / 7,720,908.20-10,656,130.59-4,284,256.40

Finding the Fourth Proportional to 7,720,908.20, 10,656,130.59 and 4,284,256.40

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Solution

The fourth proportional to 7,720,908.20, 10,656,130.59 and 4,284,256.40 is: 5,912,982.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720,908.20 : 10,656,130.59 = 4,284,256.40 : x
  2. Step 2: Convert to fraction form
    7,720,908.20/10,656,130.59 = 4,284,256.40/x
  3. Step 3: Cross multiply
    7,720,908.20x = 10,656,130.59 × 4,284,256.40
  4. Step 4: Simplify right side
    7,720,908.20x = 45,653,595,626,162.62
  5. Step 5: Solve for x
    x = 45,653,595,626,162.62/7,720,908.20
  6. Step 6: Final answer
    x = 5,912,982.58

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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.