Home / 13,291,137.99-18,343,439.01-7,786,612.89

Finding the Fourth Proportional to 13,291,137.99, 18,343,439.01 and 7,786,612.89

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Solution

The fourth proportional to 13,291,137.99, 18,343,439.01 and 7,786,612.89 is: 10,746,503.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291,137.99 : 18,343,439.01 = 7,786,612.89 : x
  2. Step 2: Convert to fraction form
    13,291,137.99/18,343,439.01 = 7,786,612.89/x
  3. Step 3: Cross multiply
    13,291,137.99x = 18,343,439.01 × 7,786,612.89
  4. Step 4: Simplify right side
    13,291,137.99x = 142,833,258,642,194.84
  5. Step 5: Solve for x
    x = 142,833,258,642,194.84/13,291,137.99
  6. Step 6: Final answer
    x = 10,746,503.33

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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.