Home / 13,333,855.50-18,400,721.22-7,222,284

Finding the Fourth Proportional to 13,333,855.50, 18,400,721.22 and 7,222,284

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Solution

The fourth proportional to 13,333,855.50, 18,400,721.22 and 7,222,284 is: 9,966,752.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333,855.50 : 18,400,721.22 = 7,222,284 : x
  2. Step 2: Convert to fraction form
    13,333,855.50/18,400,721.22 = 7,222,284/x
  3. Step 3: Cross multiply
    13,333,855.50x = 18,400,721.22 × 7,222,284
  4. Step 4: Simplify right side
    13,333,855.50x = 132,895,234,455,666.47
  5. Step 5: Solve for x
    x = 132,895,234,455,666.47/13,333,855.50
  6. Step 6: Final answer
    x = 9,966,752.26

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1.5x scale

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.