Home / 13,084,130.89-18,055,698.69-7,282,763.47

Finding the Fourth Proportional to 13,084,130.89, 18,055,698.69 and 7,282,763.47

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Solution

The fourth proportional to 13,084,130.89, 18,055,698.69 and 7,282,763.47 is: 10,049,989.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,084,130.89 : 18,055,698.69 = 7,282,763.47 : x
  2. Step 2: Convert to fraction form
    13,084,130.89/18,055,698.69 = 7,282,763.47/x
  3. Step 3: Cross multiply
    13,084,130.89x = 18,055,698.69 × 7,282,763.47
  4. Step 4: Simplify right side
    13,084,130.89x = 131,495,382,844,858.86
  5. Step 5: Solve for x
    x = 131,495,382,844,858.86/13,084,130.89
  6. Step 6: Final answer
    x = 10,049,989.87

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1.5x scale

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.