Home / 13,115,621.63-19,632,491.93-9,661,255.13

Finding the Fourth Proportional to 13,115,621.63, 19,632,491.93 and 9,661,255.13

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Solution

The fourth proportional to 13,115,621.63, 19,632,491.93 and 9,661,255.13 is: 14,461,725.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,115,621.63 : 19,632,491.93 = 9,661,255.13 : x
  2. Step 2: Convert to fraction form
    13,115,621.63/19,632,491.93 = 9,661,255.13/x
  3. Step 3: Cross multiply
    13,115,621.63x = 19,632,491.93 × 9,661,255.13
  4. Step 4: Simplify right side
    13,115,621.63x = 189,674,513,446,630.50
  5. Step 5: Solve for x
    x = 189,674,513,446,630.50/13,115,621.63
  6. Step 6: Final answer
    x = 14,461,725.01

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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.