Home / 30,200,879.68-45,284,048.16-14,018,505.28

Finding the Fourth Proportional to 30,200,879.68, 45,284,048.16 and 14,018,505.28

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Solution

The fourth proportional to 30,200,879.68, 45,284,048.16 and 14,018,505.28 is: 21,019,740.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,200,879.68 : 45,284,048.16 = 14,018,505.28 : x
  2. Step 2: Convert to fraction form
    30,200,879.68/45,284,048.16 = 14,018,505.28/x
  3. Step 3: Cross multiply
    30,200,879.68x = 45,284,048.16 × 14,018,505.28
  4. Step 4: Simplify right side
    30,200,879.68x = 634,814,668,230,734.25
  5. Step 5: Solve for x
    x = 634,814,668,230,734.25/30,200,879.68
  6. Step 6: Final answer
    x = 21,019,740.98

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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.