Home / 28,002,847.60-42,004,271.40-22,334,143.60

Finding the Fourth Proportional to 28,002,847.60, 42,004,271.40 and 22,334,143.60

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Solution

The fourth proportional to 28,002,847.60, 42,004,271.40 and 22,334,143.60 is: 33,501,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,002,847.60 : 42,004,271.40 = 22,334,143.60 : x
  2. Step 2: Convert to fraction form
    28,002,847.60/42,004,271.40 = 22,334,143.60/x
  3. Step 3: Cross multiply
    28,002,847.60x = 42,004,271.40 × 22,334,143.60
  4. Step 4: Simplify right side
    28,002,847.60x = 938,129,429,260,973.12
  5. Step 5: Solve for x
    x = 938,129,429,260,973.12/28,002,847.60
  6. Step 6: Final answer
    x = 33,501,215.40

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Similar ratio
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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.