Home / 30,767,301.83-42,471,949.97-19,170,594.91

Finding the Fourth Proportional to 30,767,301.83, 42,471,949.97 and 19,170,594.91

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Solution

The fourth proportional to 30,767,301.83, 42,471,949.97 and 19,170,594.91 is: 26,463,566.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,767,301.83 : 42,471,949.97 = 19,170,594.91 : x
  2. Step 2: Convert to fraction form
    30,767,301.83/42,471,949.97 = 19,170,594.91/x
  3. Step 3: Cross multiply
    30,767,301.83x = 42,471,949.97 × 19,170,594.91
  4. Step 4: Simplify right side
    30,767,301.83x = 814,212,547,720,822.38
  5. Step 5: Solve for x
    x = 814,212,547,720,822.38/30,767,301.83
  6. Step 6: Final answer
    x = 26,463,566.82

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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.