Home / 19,521,186.96-26,939,438.32-10,819,553.52

Finding the Fourth Proportional to 19,521,186.96, 26,939,438.32 and 10,819,553.52

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Solution

The fourth proportional to 19,521,186.96, 26,939,438.32 and 10,819,553.52 is: 14,931,094.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,521,186.96 : 26,939,438.32 = 10,819,553.52 : x
  2. Step 2: Convert to fraction form
    19,521,186.96/26,939,438.32 = 10,819,553.52/x
  3. Step 3: Cross multiply
    19,521,186.96x = 26,939,438.32 × 10,819,553.52
  4. Step 4: Simplify right side
    19,521,186.96x = 291,472,694,701,978.88
  5. Step 5: Solve for x
    x = 291,472,694,701,978.88/19,521,186.96
  6. Step 6: Final answer
    x = 14,931,094.88

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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.