Home / 19,809,920.10-29,714,880.15-18,109,308.90

Finding the Fourth Proportional to 19,809,920.10, 29,714,880.15 and 18,109,308.90

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Solution

The fourth proportional to 19,809,920.10, 29,714,880.15 and 18,109,308.90 is: 27,163,963.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,809,920.10 : 29,714,880.15 = 18,109,308.90 : x
  2. Step 2: Convert to fraction form
    19,809,920.10/29,714,880.15 = 18,109,308.90/x
  3. Step 3: Cross multiply
    19,809,920.10x = 29,714,880.15 × 18,109,308.90
  4. Step 4: Simplify right side
    19,809,920.10x = 538,115,943,562,828.25
  5. Step 5: Solve for x
    x = 538,115,943,562,828.25/19,809,920.10
  6. Step 6: Final answer
    x = 27,163,963.35

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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.