Home / 21,791,550.32-30,071,158.80-12,000,080.24

Finding the Fourth Proportional to 21,791,550.32, 30,071,158.80 and 12,000,080.24

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Solution

The fourth proportional to 21,791,550.32, 30,071,158.80 and 12,000,080.24 is: 16,559,460.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,791,550.32 : 30,071,158.80 = 12,000,080.24 : x
  2. Step 2: Convert to fraction form
    21,791,550.32/30,071,158.80 = 12,000,080.24/x
  3. Step 3: Cross multiply
    21,791,550.32x = 30,071,158.80 × 12,000,080.24
  4. Step 4: Simplify right side
    21,791,550.32x = 360,856,318,509,782.12
  5. Step 5: Solve for x
    x = 360,856,318,509,782.12/21,791,550.32
  6. Step 6: Final answer
    x = 16,559,460.58

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1.5x scale

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.