Home / 56,270,678.12-84,404,442.53-17,934,492.68

Finding the Fourth Proportional to 56,270,678.12, 84,404,442.53 and 17,934,492.68

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Solution

The fourth proportional to 56,270,678.12, 84,404,442.53 and 17,934,492.68 is: 26,901,237.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,270,678.12 : 84,404,442.53 = 17,934,492.68 : x
  2. Step 2: Convert to fraction form
    56,270,678.12/84,404,442.53 = 17,934,492.68/x
  3. Step 3: Cross multiply
    56,270,678.12x = 84,404,442.53 × 17,934,492.68
  4. Step 4: Simplify right side
    56,270,678.12x = 1,513,750,856,336,579.75
  5. Step 5: Solve for x
    x = 1,513,750,856,336,579.75/56,270,678.12
  6. Step 6: Final answer
    x = 26,901,237.15

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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.