Home / 21,840,718.80-32,782,073.40-11,070,181.20

Finding the Fourth Proportional to 21,840,718.80, 32,782,073.40 and 11,070,181.20

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Solution

The fourth proportional to 21,840,718.80, 32,782,073.40 and 11,070,181.20 is: 16,615,913.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,840,718.80 : 32,782,073.40 = 11,070,181.20 : x
  2. Step 2: Convert to fraction form
    21,840,718.80/32,782,073.40 = 11,070,181.20/x
  3. Step 3: Cross multiply
    21,840,718.80x = 32,782,073.40 × 11,070,181.20
  4. Step 4: Simplify right side
    21,840,718.80x = 362,903,492,649,700.06
  5. Step 5: Solve for x
    x = 362,903,492,649,700.06/21,840,718.80
  6. Step 6: Final answer
    x = 16,615,913.42

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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.