Home / 13,148,418.06-18,144,468.85-7,347,247.47

Finding the Fourth Proportional to 13,148,418.06, 18,144,468.85 and 7,347,247.47

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Solution

The fourth proportional to 13,148,418.06, 18,144,468.85 and 7,347,247.47 is: 10,139,007.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148,418.06 : 18,144,468.85 = 7,347,247.47 : x
  2. Step 2: Convert to fraction form
    13,148,418.06/18,144,468.85 = 7,347,247.47/x
  3. Step 3: Cross multiply
    13,148,418.06x = 18,144,468.85 × 7,347,247.47
  4. Step 4: Simplify right side
    13,148,418.06x = 133,311,902,852,656.31
  5. Step 5: Solve for x
    x = 133,311,902,852,656.31/13,148,418.06
  6. Step 6: Final answer
    x = 10,139,007.01

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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.