Home / 19,312,999.30-28,991,617.35-11,339,316.10

Finding the Fourth Proportional to 19,312,999.30, 28,991,617.35 and 11,339,316.10

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Solution

The fourth proportional to 19,312,999.30, 28,991,617.35 and 11,339,316.10 is: 17,021,960.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,312,999.30 : 28,991,617.35 = 11,339,316.10 : x
  2. Step 2: Convert to fraction form
    19,312,999.30/28,991,617.35 = 11,339,316.10/x
  3. Step 3: Cross multiply
    19,312,999.30x = 28,991,617.35 × 11,339,316.10
  4. Step 4: Simplify right side
    19,312,999.30x = 328,745,113,381,894.31
  5. Step 5: Solve for x
    x = 328,745,113,381,894.31/19,312,999.30
  6. Step 6: Final answer
    x = 17,021,960.61

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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.