Home / 19,541,612.71-29,312,668.51-5,164,556.28

Finding the Fourth Proportional to 19,541,612.71, 29,312,668.51 and 5,164,556.28

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Solution

The fourth proportional to 19,541,612.71, 29,312,668.51 and 5,164,556.28 is: 7,746,900.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,541,612.71 : 29,312,668.51 = 5,164,556.28 : x
  2. Step 2: Convert to fraction form
    19,541,612.71/29,312,668.51 = 5,164,556.28/x
  3. Step 3: Cross multiply
    19,541,612.71x = 29,312,668.51 × 5,164,556.28
  4. Step 4: Simplify right side
    19,541,612.71x = 151,386,926,236,878.75
  5. Step 5: Solve for x
    x = 151,386,926,236,878.75/19,541,612.71
  6. Step 6: Final answer
    x = 7,746,900.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.