Home / 28,639,195.98-42,908,667.93-19,511,664

Finding the Fourth Proportional to 28,639,195.98, 42,908,667.93 and 19,511,664

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Solution

The fourth proportional to 28,639,195.98, 42,908,667.93 and 19,511,664 is: 29,233,345.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,639,195.98 : 42,908,667.93 = 19,511,664 : x
  2. Step 2: Convert to fraction form
    28,639,195.98/42,908,667.93 = 19,511,664/x
  3. Step 3: Cross multiply
    28,639,195.98x = 42,908,667.93 × 19,511,664
  4. Step 4: Simplify right side
    28,639,195.98x = 837,219,511,337,735.50
  5. Step 5: Solve for x
    x = 837,219,511,337,735.50/28,639,195.98
  6. Step 6: Final answer
    x = 29,233,345.51

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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.