Home / 13,613,092.14-18,786,069-7,418,141.40

Finding the Fourth Proportional to 13,613,092.14, 18,786,069 and 7,418,141.40

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Solution

The fourth proportional to 13,613,092.14, 18,786,069 and 7,418,141.40 is: 10,237,036.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,613,092.14 : 18,786,069 = 7,418,141.40 : x
  2. Step 2: Convert to fraction form
    13,613,092.14/18,786,069 = 7,418,141.40/x
  3. Step 3: Cross multiply
    13,613,092.14x = 18,786,069 × 7,418,141.40
  4. Step 4: Simplify right side
    13,613,092.14x = 139,357,716,192,156.61
  5. Step 5: Solve for x
    x = 139,357,716,192,156.61/13,613,092.14
  6. Step 6: Final answer
    x = 10,237,036.14

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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.