Home / 28,620,164.40-42,930,246.60-17,141,038.80

Finding the Fourth Proportional to 28,620,164.40, 42,930,246.60 and 17,141,038.80

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Solution

The fourth proportional to 28,620,164.40, 42,930,246.60 and 17,141,038.80 is: 25,711,558.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,620,164.40 : 42,930,246.60 = 17,141,038.80 : x
  2. Step 2: Convert to fraction form
    28,620,164.40/42,930,246.60 = 17,141,038.80/x
  3. Step 3: Cross multiply
    28,620,164.40x = 42,930,246.60 × 17,141,038.80
  4. Step 4: Simplify right side
    28,620,164.40x = 735,869,022,664,168.12
  5. Step 5: Solve for x
    x = 735,869,022,664,168.12/28,620,164.40
  6. Step 6: Final answer
    x = 25,711,558.20

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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.