Home / 19,488,038.70-29,232,058.05-18,442,944.30

Finding the Fourth Proportional to 19,488,038.70, 29,232,058.05 and 18,442,944.30

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Solution

The fourth proportional to 19,488,038.70, 29,232,058.05 and 18,442,944.30 is: 27,664,416.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,488,038.70 : 29,232,058.05 = 18,442,944.30 : x
  2. Step 2: Convert to fraction form
    19,488,038.70/29,232,058.05 = 18,442,944.30/x
  3. Step 3: Cross multiply
    19,488,038.70x = 29,232,058.05 × 18,442,944.30
  4. Step 4: Simplify right side
    19,488,038.70x = 539,125,218,390,516.62
  5. Step 5: Solve for x
    x = 539,125,218,390,516.62/19,488,038.70
  6. Step 6: Final answer
    x = 27,664,416.45

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Double scale
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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.