Home / 28,198,018.19-42,288,416.70-19,500,206.60

Finding the Fourth Proportional to 28,198,018.19, 42,288,416.70 and 19,500,206.60

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Solution

The fourth proportional to 28,198,018.19, 42,288,416.70 and 19,500,206.60 is: 29,244,355.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,198,018.19 : 42,288,416.70 = 19,500,206.60 : x
  2. Step 2: Convert to fraction form
    28,198,018.19/42,288,416.70 = 19,500,206.60/x
  3. Step 3: Cross multiply
    28,198,018.19x = 42,288,416.70 × 19,500,206.60
  4. Step 4: Simplify right side
    28,198,018.19x = 824,632,862,225,448.12
  5. Step 5: Solve for x
    x = 824,632,862,225,448.12/28,198,018.19
  6. Step 6: Final answer
    x = 29,244,355.29

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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.