Home / 29,421,275.61-40,584,453.36-18,388,878.78

Finding the Fourth Proportional to 29,421,275.61, 40,584,453.36 and 18,388,878.78

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Solution

The fourth proportional to 29,421,275.61, 40,584,453.36 and 18,388,878.78 is: 25,366,085.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,421,275.61 : 40,584,453.36 = 18,388,878.78 : x
  2. Step 2: Convert to fraction form
    29,421,275.61/40,584,453.36 = 18,388,878.78/x
  3. Step 3: Cross multiply
    29,421,275.61x = 40,584,453.36 × 18,388,878.78
  4. Step 4: Simplify right side
    29,421,275.61x = 746,302,593,189,603.75
  5. Step 5: Solve for x
    x = 746,302,593,189,603.75/29,421,275.61
  6. Step 6: Final answer
    x = 25,366,085.52

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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.