Home / 20,355,077.60-30,532,616.40-9,017,669.60

Finding the Fourth Proportional to 20,355,077.60, 30,532,616.40 and 9,017,669.60

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Solution

The fourth proportional to 20,355,077.60, 30,532,616.40 and 9,017,669.60 is: 13,526,504.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,355,077.60 : 30,532,616.40 = 9,017,669.60 : x
  2. Step 2: Convert to fraction form
    20,355,077.60/30,532,616.40 = 9,017,669.60/x
  3. Step 3: Cross multiply
    20,355,077.60x = 30,532,616.40 × 9,017,669.60
  4. Step 4: Simplify right side
    20,355,077.60x = 275,333,046,718,741.41
  5. Step 5: Solve for x
    x = 275,333,046,718,741.41/20,355,077.60
  6. Step 6: Final answer
    x = 13,526,504.40

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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.