Home / 7,820,655.18-10,790,477.82-4,720,728.48

Finding the Fourth Proportional to 7,820,655.18, 10,790,477.82 and 4,720,728.48

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Solution

The fourth proportional to 7,820,655.18, 10,790,477.82 and 4,720,728.48 is: 6,513,382.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820,655.18 : 10,790,477.82 = 4,720,728.48 : x
  2. Step 2: Convert to fraction form
    7,820,655.18/10,790,477.82 = 4,720,728.48/x
  3. Step 3: Cross multiply
    7,820,655.18x = 10,790,477.82 × 4,720,728.48
  4. Step 4: Simplify right side
    7,820,655.18x = 50,938,915,957,682.32
  5. Step 5: Solve for x
    x = 50,938,915,957,682.32/7,820,655.18
  6. Step 6: Final answer
    x = 6,513,382.16

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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.