Home / 21,791,549.32-30,071,157.42-12,000,079.24

Finding the Fourth Proportional to 21,791,549.32, 30,071,157.42 and 12,000,079.24

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Solution

The fourth proportional to 21,791,549.32, 30,071,157.42 and 12,000,079.24 is: 16,559,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,791,549.32 : 30,071,157.42 = 12,000,079.24 : x
  2. Step 2: Convert to fraction form
    21,791,549.32/30,071,157.42 = 12,000,079.24/x
  3. Step 3: Cross multiply
    21,791,549.32x = 30,071,157.42 × 12,000,079.24
  4. Step 4: Simplify right side
    21,791,549.32x = 360,856,271,878,514
  5. Step 5: Solve for x
    x = 360,856,271,878,514/21,791,549.32
  6. Step 6: Final answer
    x = 16,559,459.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.