Home / 17,121,695.79-23,626,628.87-9,778,515.24

Finding the Fourth Proportional to 17,121,695.79, 23,626,628.87 and 9,778,515.24

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Solution

The fourth proportional to 17,121,695.79, 23,626,628.87 and 9,778,515.24 is: 13,493,602.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,121,695.79 : 23,626,628.87 = 9,778,515.24 : x
  2. Step 2: Convert to fraction form
    17,121,695.79/23,626,628.87 = 9,778,515.24/x
  3. Step 3: Cross multiply
    17,121,695.79x = 23,626,628.87 × 9,778,515.24
  4. Step 4: Simplify right side
    17,121,695.79x = 231,033,350,426,226.41
  5. Step 5: Solve for x
    x = 231,033,350,426,226.41/17,121,695.79
  6. Step 6: Final answer
    x = 13,493,602.11

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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.