Home / 19,757,779.43-29,665,803.15-11,021,128.40

Finding the Fourth Proportional to 19,757,779.43, 29,665,803.15 and 11,021,128.40

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Solution

The fourth proportional to 19,757,779.43, 29,665,803.15 and 11,021,128.40 is: 16,547,943.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,757,779.43 : 29,665,803.15 = 11,021,128.40 : x
  2. Step 2: Convert to fraction form
    19,757,779.43/29,665,803.15 = 11,021,128.40/x
  3. Step 3: Cross multiply
    19,757,779.43x = 29,665,803.15 × 11,021,128.40
  4. Step 4: Simplify right side
    19,757,779.43x = 326,950,625,456,945.44
  5. Step 5: Solve for x
    x = 326,950,625,456,945.44/19,757,779.43
  6. Step 6: Final answer
    x = 16,547,943.90

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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.