Home / 21,871,812.30-32,807,718.45-9,117,228.30

Finding the Fourth Proportional to 21,871,812.30, 32,807,718.45 and 9,117,228.30

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Solution

The fourth proportional to 21,871,812.30, 32,807,718.45 and 9,117,228.30 is: 13,675,842.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,871,812.30 : 32,807,718.45 = 9,117,228.30 : x
  2. Step 2: Convert to fraction form
    21,871,812.30/32,807,718.45 = 9,117,228.30/x
  3. Step 3: Cross multiply
    21,871,812.30x = 32,807,718.45 × 9,117,228.30
  4. Step 4: Simplify right side
    21,871,812.30x = 299,115,459,110,772.12
  5. Step 5: Solve for x
    x = 299,115,459,110,772.12/21,871,812.30
  6. Step 6: Final answer
    x = 13,675,842.45

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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.