Home / 9,778,811.70-14,667,561.45-2,590,191.30

Finding the Fourth Proportional to 9,778,811.70, 14,667,561.45 and 2,590,191.30

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Solution

The fourth proportional to 9,778,811.70, 14,667,561.45 and 2,590,191.30 is: 3,885,113.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,778,811.70 : 14,667,561.45 = 2,590,191.30 : x
  2. Step 2: Convert to fraction form
    9,778,811.70/14,667,561.45 = 2,590,191.30/x
  3. Step 3: Cross multiply
    9,778,811.70x = 14,667,561.45 × 2,590,191.30
  4. Step 4: Simplify right side
    9,778,811.70x = 37,991,790,060,005.38
  5. Step 5: Solve for x
    x = 37,991,790,060,005.38/9,778,811.70
  6. Step 6: Final answer
    x = 3,885,113.16

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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.