Home / 13,488,562.08-18,613,090.36-7,607,872.16

Finding the Fourth Proportional to 13,488,562.08, 18,613,090.36 and 7,607,872.16

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Solution

The fourth proportional to 13,488,562.08, 18,613,090.36 and 7,607,872.16 is: 10,498,228.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488,562.08 : 18,613,090.36 = 7,607,872.16 : x
  2. Step 2: Convert to fraction form
    13,488,562.08/18,613,090.36 = 7,607,872.16/x
  3. Step 3: Cross multiply
    13,488,562.08x = 18,613,090.36 × 7,607,872.16
  4. Step 4: Simplify right side
    13,488,562.08x = 141,606,011,961,408.38
  5. Step 5: Solve for x
    x = 141,606,011,961,408.38/13,488,562.08
  6. Step 6: Final answer
    x = 10,498,228.88

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Double scale
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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.