Home / 40,421,036.70-60,640,412.40-19,960,558.20

Finding the Fourth Proportional to 40,421,036.70, 60,640,412.40 and 19,960,558.20

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Solution

The fourth proportional to 40,421,036.70, 60,640,412.40 and 19,960,558.20 is: 29,945,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,421,036.70 : 60,640,412.40 = 19,960,558.20 : x
  2. Step 2: Convert to fraction form
    40,421,036.70/60,640,412.40 = 19,960,558.20/x
  3. Step 3: Cross multiply
    40,421,036.70x = 60,640,412.40 × 19,960,558.20
  4. Step 4: Simplify right side
    40,421,036.70x = 1,210,416,480,982,201.50
  5. Step 5: Solve for x
    x = 1,210,416,480,982,201.50/40,421,036.70
  6. Step 6: Final answer
    x = 29,945,211.20

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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.