Home / 12,662,852.19-17,472,803.55-7,154,217.11

Finding the Fourth Proportional to 12,662,852.19, 17,472,803.55 and 7,154,217.11

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Solution

The fourth proportional to 12,662,852.19, 17,472,803.55 and 7,154,217.11 is: 9,871,727.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,662,852.19 : 17,472,803.55 = 7,154,217.11 : x
  2. Step 2: Convert to fraction form
    12,662,852.19/17,472,803.55 = 7,154,217.11/x
  3. Step 3: Cross multiply
    12,662,852.19x = 17,472,803.55 × 7,154,217.11
  4. Step 4: Simplify right side
    12,662,852.19x = 125,004,230,117,078.75
  5. Step 5: Solve for x
    x = 125,004,230,117,078.75/12,662,852.19
  6. Step 6: Final answer
    x = 9,871,727.81

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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.