Home / 21,851,476.56-30,154,890.24-11,928,319.20

Finding the Fourth Proportional to 21,851,476.56, 30,154,890.24 and 11,928,319.20

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Solution

The fourth proportional to 21,851,476.56, 30,154,890.24 and 11,928,319.20 is: 16,461,000.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,851,476.56 : 30,154,890.24 = 11,928,319.20 : x
  2. Step 2: Convert to fraction form
    21,851,476.56/30,154,890.24 = 11,928,319.20/x
  3. Step 3: Cross multiply
    21,851,476.56x = 30,154,890.24 × 11,928,319.20
  4. Step 4: Simplify right side
    21,851,476.56x = 359,697,156,223,684.56
  5. Step 5: Solve for x
    x = 359,697,156,223,684.56/21,851,476.56
  6. Step 6: Final answer
    x = 16,461,000.03

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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.