Home / 28,416,000.40-42,624,000.60-25,673,318.80

Finding the Fourth Proportional to 28,416,000.40, 42,624,000.60 and 25,673,318.80

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Solution

The fourth proportional to 28,416,000.40, 42,624,000.60 and 25,673,318.80 is: 38,509,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,416,000.40 : 42,624,000.60 = 25,673,318.80 : x
  2. Step 2: Convert to fraction form
    28,416,000.40/42,624,000.60 = 25,673,318.80/x
  3. Step 3: Cross multiply
    28,416,000.40x = 42,624,000.60 × 25,673,318.80
  4. Step 4: Simplify right side
    28,416,000.40x = 1,094,299,555,935,191.38
  5. Step 5: Solve for x
    x = 1,094,299,555,935,191.38/28,416,000.40
  6. Step 6: Final answer
    x = 38,509,978.20

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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.