Home / 12,037,641.40-16,608,731.70-7,138,790.56

Finding the Fourth Proportional to 12,037,641.40, 16,608,731.70 and 7,138,790.56

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Solution

The fourth proportional to 12,037,641.40, 16,608,731.70 and 7,138,790.56 is: 9,849,625.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,037,641.40 : 16,608,731.70 = 7,138,790.56 : x
  2. Step 2: Convert to fraction form
    12,037,641.40/16,608,731.70 = 7,138,790.56/x
  3. Step 3: Cross multiply
    12,037,641.40x = 16,608,731.70 × 7,138,790.56
  4. Step 4: Simplify right side
    12,037,641.40x = 118,566,257,073,532.73
  5. Step 5: Solve for x
    x = 118,566,257,073,532.73/12,037,641.40
  6. Step 6: Final answer
    x = 9,849,625.28

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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.