Home / 9,760,712.80-13,470,280.08-5,629,207.84

Finding the Fourth Proportional to 9,760,712.80, 13,470,280.08 and 5,629,207.84

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Solution

The fourth proportional to 9,760,712.80, 13,470,280.08 and 5,629,207.84 is: 7,768,593.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,760,712.80 : 13,470,280.08 = 5,629,207.84 : x
  2. Step 2: Convert to fraction form
    9,760,712.80/13,470,280.08 = 5,629,207.84/x
  3. Step 3: Cross multiply
    9,760,712.80x = 13,470,280.08 × 5,629,207.84
  4. Step 4: Simplify right side
    9,760,712.80x = 75,827,006,233,331.83
  5. Step 5: Solve for x
    x = 75,827,006,233,331.83/9,760,712.80
  6. Step 6: Final answer
    x = 7,768,593.11

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1.5x scale

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.