Home / 10,975,011.27-15,121,127.79-7,247,223.33

Finding the Fourth Proportional to 10,975,011.27, 15,121,127.79 and 7,247,223.33

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Solution

The fourth proportional to 10,975,011.27, 15,121,127.79 and 7,247,223.33 is: 9,985,064.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,975,011.27 : 15,121,127.79 = 7,247,223.33 : x
  2. Step 2: Convert to fraction form
    10,975,011.27/15,121,127.79 = 7,247,223.33/x
  3. Step 3: Cross multiply
    10,975,011.27x = 15,121,127.79 × 7,247,223.33
  4. Step 4: Simplify right side
    10,975,011.27x = 109,586,190,095,599.33
  5. Step 5: Solve for x
    x = 109,586,190,095,599.33/10,975,011.27
  6. Step 6: Final answer
    x = 9,985,064.01

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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.