Home / 21,871,892.80-32,807,839.20-9,117,308.80

Finding the Fourth Proportional to 21,871,892.80, 32,807,839.20 and 9,117,308.80

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Solution

The fourth proportional to 21,871,892.80, 32,807,839.20 and 9,117,308.80 is: 13,675,963.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,871,892.80 : 32,807,839.20 = 9,117,308.80 : x
  2. Step 2: Convert to fraction form
    21,871,892.80/32,807,839.20 = 9,117,308.80/x
  3. Step 3: Cross multiply
    21,871,892.80x = 32,807,839.20 × 9,117,308.80
  4. Step 4: Simplify right side
    21,871,892.80x = 299,119,201,047,145
  5. Step 5: Solve for x
    x = 299,119,201,047,145/21,871,892.80
  6. Step 6: Final answer
    x = 13,675,963.20

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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.