Home / 28,188,017.40-42,282,026.10-16,094,782.20

Finding the Fourth Proportional to 28,188,017.40, 42,282,026.10 and 16,094,782.20

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Solution

The fourth proportional to 28,188,017.40, 42,282,026.10 and 16,094,782.20 is: 24,142,173.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,188,017.40 : 42,282,026.10 = 16,094,782.20 : x
  2. Step 2: Convert to fraction form
    28,188,017.40/42,282,026.10 = 16,094,782.20/x
  3. Step 3: Cross multiply
    28,188,017.40x = 42,282,026.10 × 16,094,782.20
  4. Step 4: Simplify right side
    28,188,017.40x = 680,520,001,054,215.38
  5. Step 5: Solve for x
    x = 680,520,001,054,215.38/28,188,017.40
  6. Step 6: Final answer
    x = 24,142,173.30

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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.