Home / 21,556,053.70-32,334,080.55-19,997,160.10

Finding the Fourth Proportional to 21,556,053.70, 32,334,080.55 and 19,997,160.10

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Solution

The fourth proportional to 21,556,053.70, 32,334,080.55 and 19,997,160.10 is: 29,995,740.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,556,053.70 : 32,334,080.55 = 19,997,160.10 : x
  2. Step 2: Convert to fraction form
    21,556,053.70/32,334,080.55 = 19,997,160.10/x
  3. Step 3: Cross multiply
    21,556,053.70x = 32,334,080.55 × 19,997,160.10
  4. Step 4: Simplify right side
    21,556,053.70x = 646,589,785,444,646.12
  5. Step 5: Solve for x
    x = 646,589,785,444,646.12/21,556,053.70
  6. Step 6: Final answer
    x = 29,995,740.15

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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.