Home / 19,319,999.10-28,979,998.65-14,501,600.70

Finding the Fourth Proportional to 19,319,999.10, 28,979,998.65 and 14,501,600.70

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Solution

The fourth proportional to 19,319,999.10, 28,979,998.65 and 14,501,600.70 is: 21,752,401.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319,999.10 : 28,979,998.65 = 14,501,600.70 : x
  2. Step 2: Convert to fraction form
    19,319,999.10/28,979,998.65 = 14,501,600.70/x
  3. Step 3: Cross multiply
    19,319,999.10x = 28,979,998.65 × 14,501,600.70
  4. Step 4: Simplify right side
    19,319,999.10x = 420,256,368,708,839
  5. Step 5: Solve for x
    x = 420,256,368,708,839/19,319,999.10
  6. Step 6: Final answer
    x = 21,752,401.05

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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.