Home / 13,142,367.39-18,136,085.19-7,261,908.14

Finding the Fourth Proportional to 13,142,367.39, 18,136,085.19 and 7,261,908.14

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Solution

The fourth proportional to 13,142,367.39, 18,136,085.19 and 7,261,908.14 is: 10,021,222.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,142,367.39 : 18,136,085.19 = 7,261,908.14 : x
  2. Step 2: Convert to fraction form
    13,142,367.39/18,136,085.19 = 7,261,908.14/x
  3. Step 3: Cross multiply
    13,142,367.39x = 18,136,085.19 × 7,261,908.14
  4. Step 4: Simplify right side
    13,142,367.39x = 131,702,584,668,994.45
  5. Step 5: Solve for x
    x = 131,702,584,668,994.45/13,142,367.39
  6. Step 6: Final answer
    x = 10,021,222.26

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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.