Home / 19,572,740.69-27,009,635.16-10,871,471.42

Finding the Fourth Proportional to 19,572,740.69, 27,009,635.16 and 10,871,471.42

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Solution

The fourth proportional to 19,572,740.69, 27,009,635.16 and 10,871,471.42 is: 15,002,215.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,572,740.69 : 27,009,635.16 = 10,871,471.42 : x
  2. Step 2: Convert to fraction form
    19,572,740.69/27,009,635.16 = 10,871,471.42/x
  3. Step 3: Cross multiply
    19,572,740.69x = 27,009,635.16 × 10,871,471.42
  4. Step 4: Simplify right side
    19,572,740.69x = 293,634,476,571,518.94
  5. Step 5: Solve for x
    x = 293,634,476,571,518.94/19,572,740.69
  6. Step 6: Final answer
    x = 15,002,215.65

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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.