Home / 19,927,581.63-29,900,820.28-11,856,501.87

Finding the Fourth Proportional to 19,927,581.63, 29,900,820.28 and 11,856,501.87

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Solution

The fourth proportional to 19,927,581.63, 29,900,820.28 and 11,856,501.87 is: 17,790,374.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,927,581.63 : 29,900,820.28 = 11,856,501.87 : x
  2. Step 2: Convert to fraction form
    19,927,581.63/29,900,820.28 = 11,856,501.87/x
  3. Step 3: Cross multiply
    19,927,581.63x = 29,900,820.28 × 11,856,501.87
  4. Step 4: Simplify right side
    19,927,581.63x = 354,519,131,444,815.56
  5. Step 5: Solve for x
    x = 354,519,131,444,815.56/19,927,581.63
  6. Step 6: Final answer
    x = 17,790,374.07

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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.