Home / 18,165,356-27,240,123.36-5,208,647.84

Finding the Fourth Proportional to 18,165,356, 27,240,123.36 and 5,208,647.84

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Solution

The fourth proportional to 18,165,356, 27,240,123.36 and 5,208,647.84 is: 7,810,703.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,165,356 : 27,240,123.36 = 5,208,647.84 : x
  2. Step 2: Convert to fraction form
    18,165,356/27,240,123.36 = 5,208,647.84/x
  3. Step 3: Cross multiply
    18,165,356x = 27,240,123.36 × 5,208,647.84
  4. Step 4: Simplify right side
    18,165,356x = 141,884,209,700,397.53
  5. Step 5: Solve for x
    x = 141,884,209,700,397.53/18,165,356
  6. Step 6: Final answer
    x = 7,810,703.50

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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.