Home / 9,929,430.29-13,703,995.11-5,578,853.33

Finding the Fourth Proportional to 9,929,430.29, 13,703,995.11 and 5,578,853.33

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Solution

The fourth proportional to 9,929,430.29, 13,703,995.11 and 5,578,853.33 is: 7,699,593.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,929,430.29 : 13,703,995.11 = 5,578,853.33 : x
  2. Step 2: Convert to fraction form
    9,929,430.29/13,703,995.11 = 5,578,853.33/x
  3. Step 3: Cross multiply
    9,929,430.29x = 13,703,995.11 × 5,578,853.33
  4. Step 4: Simplify right side
    9,929,430.29x = 76,452,578,753,727.22
  5. Step 5: Solve for x
    x = 76,452,578,753,727.22/9,929,430.29
  6. Step 6: Final answer
    x = 7,699,593.68

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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.