Home / 13,659,678.42-18,849,616.10-7,547,713.26

Finding the Fourth Proportional to 13,659,678.42, 18,849,616.10 and 7,547,713.26

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Solution

The fourth proportional to 13,659,678.42, 18,849,616.10 and 7,547,713.26 is: 10,415,435.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,659,678.42 : 18,849,616.10 = 7,547,713.26 : x
  2. Step 2: Convert to fraction form
    13,659,678.42/18,849,616.10 = 7,547,713.26/x
  3. Step 3: Cross multiply
    13,659,678.42x = 18,849,616.10 × 7,547,713.26
  4. Step 4: Simplify right side
    13,659,678.42x = 142,271,497,383,879.50
  5. Step 5: Solve for x
    x = 142,271,497,383,879.50/13,659,678.42
  6. Step 6: Final answer
    x = 10,415,435.34

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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.