Home / 12,693,533.76-17,512,750.76-8,112,497.76

Finding the Fourth Proportional to 12,693,533.76, 17,512,750.76 and 8,112,497.76

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Solution

The fourth proportional to 12,693,533.76, 17,512,750.76 and 8,112,497.76 is: 11,192,482.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,693,533.76 : 17,512,750.76 = 8,112,497.76 : x
  2. Step 2: Convert to fraction form
    12,693,533.76/17,512,750.76 = 8,112,497.76/x
  3. Step 3: Cross multiply
    12,693,533.76x = 17,512,750.76 × 8,112,497.76
  4. Step 4: Simplify right side
    12,693,533.76x = 142,072,151,311,938.31
  5. Step 5: Solve for x
    x = 142,072,151,311,938.31/12,693,533.76
  6. Step 6: Final answer
    x = 11,192,482.25

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1.5x scale

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.