Home / 29,421,275.05-40,584,452.58-18,388,878.22

Finding the Fourth Proportional to 29,421,275.05, 40,584,452.58 and 18,388,878.22

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Solution

The fourth proportional to 29,421,275.05, 40,584,452.58 and 18,388,878.22 is: 25,366,084.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,421,275.05 : 40,584,452.58 = 18,388,878.22 : x
  2. Step 2: Convert to fraction form
    29,421,275.05/40,584,452.58 = 18,388,878.22/x
  3. Step 3: Cross multiply
    29,421,275.05x = 40,584,452.58 × 18,388,878.22
  4. Step 4: Simplify right side
    29,421,275.05x = 746,302,556,118,984.75
  5. Step 5: Solve for x
    x = 746,302,556,118,984.75/29,421,275.05
  6. Step 6: Final answer
    x = 25,366,084.74

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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.