Home / 10,269,783.16-14,172,743.52-5,686,104.40

Finding the Fourth Proportional to 10,269,783.16, 14,172,743.52 and 5,686,104.40

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Solution

The fourth proportional to 10,269,783.16, 14,172,743.52 and 5,686,104.40 is: 7,847,069.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,269,783.16 : 14,172,743.52 = 5,686,104.40 : x
  2. Step 2: Convert to fraction form
    10,269,783.16/14,172,743.52 = 5,686,104.40/x
  3. Step 3: Cross multiply
    10,269,783.16x = 14,172,743.52 × 5,686,104.40
  4. Step 4: Simplify right side
    10,269,783.16x = 80,587,699,289,143.48
  5. Step 5: Solve for x
    x = 80,587,699,289,143.48/10,269,783.16
  6. Step 6: Final answer
    x = 7,847,069.22

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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.