Home / 12,232,731.60-16,879,280-7,076,572.96

Finding the Fourth Proportional to 12,232,731.60, 16,879,280 and 7,076,572.96

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Solution

The fourth proportional to 12,232,731.60, 16,879,280 and 7,076,572.96 is: 9,764,577.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,232,731.60 : 16,879,280 = 7,076,572.96 : x
  2. Step 2: Convert to fraction form
    12,232,731.60/16,879,280 = 7,076,572.96/x
  3. Step 3: Cross multiply
    12,232,731.60x = 16,879,280 × 7,076,572.96
  4. Step 4: Simplify right side
    12,232,731.60x = 119,447,456,432,268.80
  5. Step 5: Solve for x
    x = 119,447,456,432,268.80/12,232,731.60
  6. Step 6: Final answer
    x = 9,764,577.56

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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.