Home / 30,621,073.60-45,878,466.30-19,832,821.30

Finding the Fourth Proportional to 30,621,073.60, 45,878,466.30 and 19,832,821.30

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Solution

The fourth proportional to 30,621,073.60, 45,878,466.30 and 19,832,821.30 is: 29,714,811.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,621,073.60 : 45,878,466.30 = 19,832,821.30 : x
  2. Step 2: Convert to fraction form
    30,621,073.60/45,878,466.30 = 19,832,821.30/x
  3. Step 3: Cross multiply
    30,621,073.60x = 45,878,466.30 × 19,832,821.30
  4. Step 4: Simplify right side
    30,621,073.60x = 909,899,423,645,972.12
  5. Step 5: Solve for x
    x = 909,899,423,645,972.12/30,621,073.60
  6. Step 6: Final answer
    x = 29,714,811.29

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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.