Home / 30,340,329.06-41,881,039.90-19,887,018.86

Finding the Fourth Proportional to 30,340,329.06, 41,881,039.90 and 19,887,018.86

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Solution

The fourth proportional to 30,340,329.06, 41,881,039.90 and 19,887,018.86 is: 27,451,549.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,340,329.06 : 41,881,039.90 = 19,887,018.86 : x
  2. Step 2: Convert to fraction form
    30,340,329.06/41,881,039.90 = 19,887,018.86/x
  3. Step 3: Cross multiply
    30,340,329.06x = 41,881,039.90 × 19,887,018.86
  4. Step 4: Simplify right side
    30,340,329.06x = 832,889,030,367,712.50
  5. Step 5: Solve for x
    x = 832,889,030,367,712.50/30,340,329.06
  6. Step 6: Final answer
    x = 27,451,549.02

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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.