Home / 18,185,920.80-27,282,817.80-5,407,717.20

Finding the Fourth Proportional to 18,185,920.80, 27,282,817.80 and 5,407,717.20

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Solution

The fourth proportional to 18,185,920.80, 27,282,817.80 and 5,407,717.20 is: 8,112,746.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,185,920.80 : 27,282,817.80 = 5,407,717.20 : x
  2. Step 2: Convert to fraction form
    18,185,920.80/27,282,817.80 = 5,407,717.20/x
  3. Step 3: Cross multiply
    18,185,920.80x = 27,282,817.80 × 5,407,717.20
  4. Step 4: Simplify right side
    18,185,920.80x = 147,537,763,081,526.16
  5. Step 5: Solve for x
    x = 147,537,763,081,526.16/18,185,920.80
  6. Step 6: Final answer
    x = 8,112,746.38

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1.5x scale

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.