Home / 7,965,142.13-10,991,713.74-4,867,653.35

Finding the Fourth Proportional to 7,965,142.13, 10,991,713.74 and 4,867,653.35

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Solution

The fourth proportional to 7,965,142.13, 10,991,713.74 and 4,867,653.35 is: 6,717,250.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965,142.13 : 10,991,713.74 = 4,867,653.35 : x
  2. Step 2: Convert to fraction form
    7,965,142.13/10,991,713.74 = 4,867,653.35/x
  3. Step 3: Cross multiply
    7,965,142.13x = 10,991,713.74 × 4,867,653.35
  4. Step 4: Simplify right side
    7,965,142.13x = 53,503,852,208,752.02
  5. Step 5: Solve for x
    x = 53,503,852,208,752.02/7,965,142.13
  6. Step 6: Final answer
    x = 6,717,250.16

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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.