Home / 12,710,291.65-17,548,647.95-9,764,861.92

Finding the Fourth Proportional to 12,710,291.65, 17,548,647.95 and 9,764,861.92

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Solution

The fourth proportional to 12,710,291.65, 17,548,647.95 and 9,764,861.92 is: 13,481,997.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,710,291.65 : 17,548,647.95 = 9,764,861.92 : x
  2. Step 2: Convert to fraction form
    12,710,291.65/17,548,647.95 = 9,764,861.92/x
  3. Step 3: Cross multiply
    12,710,291.65x = 17,548,647.95 × 9,764,861.92
  4. Step 4: Simplify right side
    12,710,291.65x = 171,360,124,094,981.62
  5. Step 5: Solve for x
    x = 171,360,124,094,981.62/12,710,291.65
  6. Step 6: Final answer
    x = 13,481,997.81

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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.