Home / 17,778,881.10-26,668,321.65-12,039,318.30

Finding the Fourth Proportional to 17,778,881.10, 26,668,321.65 and 12,039,318.30

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Solution

The fourth proportional to 17,778,881.10, 26,668,321.65 and 12,039,318.30 is: 18,058,977.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,778,881.10 : 26,668,321.65 = 12,039,318.30 : x
  2. Step 2: Convert to fraction form
    17,778,881.10/26,668,321.65 = 12,039,318.30/x
  3. Step 3: Cross multiply
    17,778,881.10x = 26,668,321.65 × 12,039,318.30
  4. Step 4: Simplify right side
    17,778,881.10x = 321,068,412,871,131.19
  5. Step 5: Solve for x
    x = 321,068,412,871,131.19/17,778,881.10
  6. Step 6: Final answer
    x = 18,058,977.45

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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.