Home / 10,455,412.12-15,678,801.27-4,540,363.07

Finding the Fourth Proportional to 10,455,412.12, 15,678,801.27 and 4,540,363.07

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Solution

The fourth proportional to 10,455,412.12, 15,678,801.27 and 4,540,363.07 is: 6,808,669.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455,412.12 : 15,678,801.27 = 4,540,363.07 : x
  2. Step 2: Convert to fraction form
    10,455,412.12/15,678,801.27 = 4,540,363.07/x
  3. Step 3: Cross multiply
    10,455,412.12x = 15,678,801.27 × 4,540,363.07
  4. Step 4: Simplify right side
    10,455,412.12x = 71,187,450,189,783.09
  5. Step 5: Solve for x
    x = 71,187,450,189,783.09/10,455,412.12
  6. Step 6: Final answer
    x = 6,808,669.94

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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.