Home / 19,521,170.96-26,939,416.24-10,819,537.52

Finding the Fourth Proportional to 19,521,170.96, 26,939,416.24 and 10,819,537.52

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Solution

The fourth proportional to 19,521,170.96, 26,939,416.24 and 10,819,537.52 is: 14,931,072.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,521,170.96 : 26,939,416.24 = 10,819,537.52 : x
  2. Step 2: Convert to fraction form
    19,521,170.96/26,939,416.24 = 10,819,537.52/x
  3. Step 3: Cross multiply
    19,521,170.96x = 26,939,416.24 × 10,819,537.52
  4. Step 4: Simplify right side
    19,521,170.96x = 291,472,024,775,577.31
  5. Step 5: Solve for x
    x = 291,472,024,775,577.31/19,521,170.96
  6. Step 6: Final answer
    x = 14,931,072.80

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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.