Home / 19,561,278.20-29,343,213.30-5,184,145.40

Finding the Fourth Proportional to 19,561,278.20, 29,343,213.30 and 5,184,145.40

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Solution

The fourth proportional to 19,561,278.20, 29,343,213.30 and 5,184,145.40 is: 7,776,561.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,561,278.20 : 29,343,213.30 = 5,184,145.40 : x
  2. Step 2: Convert to fraction form
    19,561,278.20/29,343,213.30 = 5,184,145.40/x
  3. Step 3: Cross multiply
    19,561,278.20x = 29,343,213.30 × 5,184,145.40
  4. Step 4: Simplify right side
    19,561,278.20x = 152,119,484,250,413.84
  5. Step 5: Solve for x
    x = 152,119,484,250,413.84/19,561,278.20
  6. Step 6: Final answer
    x = 7,776,561.57

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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.