Home / 10,403,999.10-15,605,998.65-8,262,488.70

Finding the Fourth Proportional to 10,403,999.10, 15,605,998.65 and 8,262,488.70

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Solution

The fourth proportional to 10,403,999.10, 15,605,998.65 and 8,262,488.70 is: 12,393,733.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,403,999.10 : 15,605,998.65 = 8,262,488.70 : x
  2. Step 2: Convert to fraction form
    10,403,999.10/15,605,998.65 = 8,262,488.70/x
  3. Step 3: Cross multiply
    10,403,999.10x = 15,605,998.65 × 8,262,488.70
  4. Step 4: Simplify right side
    10,403,999.10x = 128,944,387,497,840.27
  5. Step 5: Solve for x
    x = 128,944,387,497,840.27/10,403,999.10
  6. Step 6: Final answer
    x = 12,393,733.05

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1.5x scale

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.