Home / 29,225,858.72-40,332,343.10-18,930,501.54

Finding the Fourth Proportional to 29,225,858.72, 40,332,343.10 and 18,930,501.54

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Solution

The fourth proportional to 29,225,858.72, 40,332,343.10 and 18,930,501.54 is: 26,124,518.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,225,858.72 : 40,332,343.10 = 18,930,501.54 : x
  2. Step 2: Convert to fraction form
    29,225,858.72/40,332,343.10 = 18,930,501.54/x
  3. Step 3: Cross multiply
    29,225,858.72x = 40,332,343.10 × 18,930,501.54
  4. Step 4: Simplify right side
    29,225,858.72x = 763,511,483,071,705.75
  5. Step 5: Solve for x
    x = 763,511,483,071,705.75/29,225,858.72
  6. Step 6: Final answer
    x = 26,124,518.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.