Home / 7,115,851.32-9,819,880.61-3,852,668.31

Finding the Fourth Proportional to 7,115,851.32, 9,819,880.61 and 3,852,668.31

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Solution

The fourth proportional to 7,115,851.32, 9,819,880.61 and 3,852,668.31 is: 5,316,685.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115,851.32 : 9,819,880.61 = 3,852,668.31 : x
  2. Step 2: Convert to fraction form
    7,115,851.32/9,819,880.61 = 3,852,668.31/x
  3. Step 3: Cross multiply
    7,115,851.32x = 9,819,880.61 × 3,852,668.31
  4. Step 4: Simplify right side
    7,115,851.32x = 37,832,742,814,867.13
  5. Step 5: Solve for x
    x = 37,832,742,814,867.13/7,115,851.32
  6. Step 6: Final answer
    x = 5,316,685.40

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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.