Home / 39,869,920.20-59,804,880.30-19,714,528.20

Finding the Fourth Proportional to 39,869,920.20, 59,804,880.30 and 19,714,528.20

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Solution

The fourth proportional to 39,869,920.20, 59,804,880.30 and 19,714,528.20 is: 29,571,792.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,869,920.20 : 59,804,880.30 = 19,714,528.20 : x
  2. Step 2: Convert to fraction form
    39,869,920.20/59,804,880.30 = 19,714,528.20/x
  3. Step 3: Cross multiply
    39,869,920.20x = 59,804,880.30 × 19,714,528.20
  4. Step 4: Simplify right side
    39,869,920.20x = 1,179,024,999,171,974.25
  5. Step 5: Solve for x
    x = 1,179,024,999,171,974.25/39,869,920.20
  6. Step 6: Final answer
    x = 29,571,792.30

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1.5x scale

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.