Home / 47,915,415-71,844,336.10-18,734,488.60

Finding the Fourth Proportional to 47,915,415, 71,844,336.10 and 18,734,488.60

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Solution

The fourth proportional to 47,915,415, 71,844,336.10 and 18,734,488.60 is: 28,090,477.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,915,415 : 71,844,336.10 = 18,734,488.60 : x
  2. Step 2: Convert to fraction form
    47,915,415/71,844,336.10 = 18,734,488.60/x
  3. Step 3: Cross multiply
    47,915,415x = 71,844,336.10 × 18,734,488.60
  4. Step 4: Simplify right side
    47,915,415x = 1,345,966,895,483,825.50
  5. Step 5: Solve for x
    x = 1,345,966,895,483,825.50/47,915,415
  6. Step 6: Final answer
    x = 28,090,477.68

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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.