Home / 30,767,294.57-42,471,940.02-19,170,587.75

Finding the Fourth Proportional to 30,767,294.57, 42,471,940.02 and 19,170,587.75

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Solution

The fourth proportional to 30,767,294.57, 42,471,940.02 and 19,170,587.75 is: 26,463,556.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,767,294.57 : 42,471,940.02 = 19,170,587.75 : x
  2. Step 2: Convert to fraction form
    30,767,294.57/42,471,940.02 = 19,170,587.75/x
  3. Step 3: Cross multiply
    30,767,294.57x = 42,471,940.02 × 19,170,587.75
  4. Step 4: Simplify right side
    30,767,294.57x = 814,212,053,066,146.88
  5. Step 5: Solve for x
    x = 814,212,053,066,146.88/30,767,294.57
  6. Step 6: Final answer
    x = 26,463,556.98

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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.