Home / 13,430,908.68-18,529,392.78-8,265,302.16

Finding the Fourth Proportional to 13,430,908.68, 18,529,392.78 and 8,265,302.16

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Solution

The fourth proportional to 13,430,908.68, 18,529,392.78 and 8,265,302.16 is: 11,402,879.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,430,908.68 : 18,529,392.78 = 8,265,302.16 : x
  2. Step 2: Convert to fraction form
    13,430,908.68/18,529,392.78 = 8,265,302.16/x
  3. Step 3: Cross multiply
    13,430,908.68x = 18,529,392.78 × 8,265,302.16
  4. Step 4: Simplify right side
    13,430,908.68x = 153,151,030,168,022.41
  5. Step 5: Solve for x
    x = 153,151,030,168,022.41/13,430,908.68
  6. Step 6: Final answer
    x = 11,402,879.27

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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.