Home / 9,659,831.35-13,330,886.95-5,309,071.87

Finding the Fourth Proportional to 9,659,831.35, 13,330,886.95 and 5,309,071.87

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Solution

The fourth proportional to 9,659,831.35, 13,330,886.95 and 5,309,071.87 is: 7,326,694.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,659,831.35 : 13,330,886.95 = 5,309,071.87 : x
  2. Step 2: Convert to fraction form
    9,659,831.35/13,330,886.95 = 5,309,071.87/x
  3. Step 3: Cross multiply
    9,659,831.35x = 13,330,886.95 × 5,309,071.87
  4. Step 4: Simplify right side
    9,659,831.35x = 70,774,636,841,740.66
  5. Step 5: Solve for x
    x = 70,774,636,841,740.66/9,659,831.35
  6. Step 6: Final answer
    x = 7,326,694.88

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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.