Home / 19,927,420.66-27,500,145.33-11,779,416.82

Finding the Fourth Proportional to 19,927,420.66, 27,500,145.33 and 11,779,416.82

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Solution

The fourth proportional to 19,927,420.66, 27,500,145.33 and 11,779,416.82 is: 16,255,775.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,927,420.66 : 27,500,145.33 = 11,779,416.82 : x
  2. Step 2: Convert to fraction form
    19,927,420.66/27,500,145.33 = 11,779,416.82/x
  3. Step 3: Cross multiply
    19,927,420.66x = 27,500,145.33 × 11,779,416.82
  4. Step 4: Simplify right side
    19,927,420.66x = 323,935,674,452,646.44
  5. Step 5: Solve for x
    x = 323,935,674,452,646.44/19,927,420.66
  6. Step 6: Final answer
    x = 16,255,775.40

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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.