Home / 28,113,619.60-42,170,429.40-16,766,880.40

Finding the Fourth Proportional to 28,113,619.60, 42,170,429.40 and 16,766,880.40

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Solution

The fourth proportional to 28,113,619.60, 42,170,429.40 and 16,766,880.40 is: 25,150,320.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,113,619.60 : 42,170,429.40 = 16,766,880.40 : x
  2. Step 2: Convert to fraction form
    28,113,619.60/42,170,429.40 = 16,766,880.40/x
  3. Step 3: Cross multiply
    28,113,619.60x = 42,170,429.40 × 16,766,880.40
  4. Step 4: Simplify right side
    28,113,619.60x = 707,066,546,166,443.75
  5. Step 5: Solve for x
    x = 707,066,546,166,443.75/28,113,619.60
  6. Step 6: Final answer
    x = 25,150,320.60

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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.