Home / 13,106,061.09-18,086,448.24-7,305,210.63

Finding the Fourth Proportional to 13,106,061.09, 18,086,448.24 and 7,305,210.63

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Solution

The fourth proportional to 13,106,061.09, 18,086,448.24 and 7,305,210.63 is: 10,081,237.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106,061.09 : 18,086,448.24 = 7,305,210.63 : x
  2. Step 2: Convert to fraction form
    13,106,061.09/18,086,448.24 = 7,305,210.63/x
  3. Step 3: Cross multiply
    13,106,061.09x = 18,086,448.24 × 7,305,210.63
  4. Step 4: Simplify right side
    13,106,061.09x = 132,125,313,941,792.78
  5. Step 5: Solve for x
    x = 132,125,313,941,792.78/13,106,061.09
  6. Step 6: Final answer
    x = 10,081,237.45

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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.