Home / 39,079,719.84-53,936,470.32-21,681,668.16

Finding the Fourth Proportional to 39,079,719.84, 53,936,470.32 and 21,681,668.16

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Solution

The fourth proportional to 39,079,719.84, 53,936,470.32 and 21,681,668.16 is: 29,924,284.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,079,719.84 : 53,936,470.32 = 21,681,668.16 : x
  2. Step 2: Convert to fraction form
    39,079,719.84/53,936,470.32 = 21,681,668.16/x
  3. Step 3: Cross multiply
    39,079,719.84x = 53,936,470.32 × 21,681,668.16
  4. Step 4: Simplify right side
    39,079,719.84x = 1,169,432,651,199,929
  5. Step 5: Solve for x
    x = 1,169,432,651,199,929/39,079,719.84
  6. Step 6: Final answer
    x = 29,924,284.41

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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.