Home / 28,881,485.28-43,321,916.88-11,838,359.52

Finding the Fourth Proportional to 28,881,485.28, 43,321,916.88 and 11,838,359.52

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Solution

The fourth proportional to 28,881,485.28, 43,321,916.88 and 11,838,359.52 is: 17,757,411.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,881,485.28 : 43,321,916.88 = 11,838,359.52 : x
  2. Step 2: Convert to fraction form
    28,881,485.28/43,321,916.88 = 11,838,359.52/x
  3. Step 3: Cross multiply
    28,881,485.28x = 43,321,916.88 × 11,838,359.52
  4. Step 4: Simplify right side
    28,881,485.28x = 512,860,427,120,996.69
  5. Step 5: Solve for x
    x = 512,860,427,120,996.69/28,881,485.28
  6. Step 6: Final answer
    x = 17,757,411.79

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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.