Home / 38,016,156.40-57,024,234.60-12,457,999.60

Finding the Fourth Proportional to 38,016,156.40, 57,024,234.60 and 12,457,999.60

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Solution

The fourth proportional to 38,016,156.40, 57,024,234.60 and 12,457,999.60 is: 18,686,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,016,156.40 : 57,024,234.60 = 12,457,999.60 : x
  2. Step 2: Convert to fraction form
    38,016,156.40/57,024,234.60 = 12,457,999.60/x
  3. Step 3: Cross multiply
    38,016,156.40x = 57,024,234.60 × 12,457,999.60
  4. Step 4: Simplify right side
    38,016,156.40x = 710,407,891,837,106.12
  5. Step 5: Solve for x
    x = 710,407,891,837,106.12/38,016,156.40
  6. Step 6: Final answer
    x = 18,686,999.40

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1.5x scale

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.