Home / 8,912,179.76-12,299,284.02-5,045,563.76

Finding the Fourth Proportional to 8,912,179.76, 12,299,284.02 and 5,045,563.76

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Solution

The fourth proportional to 8,912,179.76, 12,299,284.02 and 5,045,563.76 is: 6,963,147.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912,179.76 : 12,299,284.02 = 5,045,563.76 : x
  2. Step 2: Convert to fraction form
    8,912,179.76/12,299,284.02 = 5,045,563.76/x
  3. Step 3: Cross multiply
    8,912,179.76x = 12,299,284.02 × 5,045,563.76
  4. Step 4: Simplify right side
    8,912,179.76x = 62,056,821,725,259.11
  5. Step 5: Solve for x
    x = 62,056,821,725,259.11/8,912,179.76
  6. Step 6: Final answer
    x = 6,963,147.45

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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.