Home / 13,333,857.02-18,400,723.29-7,222,285.52

Finding the Fourth Proportional to 13,333,857.02, 18,400,723.29 and 7,222,285.52

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Solution

The fourth proportional to 13,333,857.02, 18,400,723.29 and 7,222,285.52 is: 9,966,754.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333,857.02 : 18,400,723.29 = 7,222,285.52 : x
  2. Step 2: Convert to fraction form
    13,333,857.02/18,400,723.29 = 7,222,285.52/x
  3. Step 3: Cross multiply
    13,333,857.02x = 18,400,723.29 × 7,222,285.52
  4. Step 4: Simplify right side
    13,333,857.02x = 132,895,277,282,890.12
  5. Step 5: Solve for x
    x = 132,895,277,282,890.12/13,333,857.02
  6. Step 6: Final answer
    x = 9,966,754.34

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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.