Home / 18,159,279.84-25,066,801.08-13,303,071.72

Finding the Fourth Proportional to 18,159,279.84, 25,066,801.08 and 13,303,071.72

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Solution

The fourth proportional to 18,159,279.84, 25,066,801.08 and 13,303,071.72 is: 18,363,363.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,159,279.84 : 25,066,801.08 = 13,303,071.72 : x
  2. Step 2: Convert to fraction form
    18,159,279.84/25,066,801.08 = 13,303,071.72/x
  3. Step 3: Cross multiply
    18,159,279.84x = 25,066,801.08 × 13,303,071.72
  4. Step 4: Simplify right side
    18,159,279.84x = 333,465,452,558,213.44
  5. Step 5: Solve for x
    x = 333,465,452,558,213.44/18,159,279.84
  6. Step 6: Final answer
    x = 18,363,363.28

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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.