Home / 19,430,276.40-29,145,414.60-18,870,404.40

Finding the Fourth Proportional to 19,430,276.40, 29,145,414.60 and 18,870,404.40

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Solution

The fourth proportional to 19,430,276.40, 29,145,414.60 and 18,870,404.40 is: 28,305,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,430,276.40 : 29,145,414.60 = 18,870,404.40 : x
  2. Step 2: Convert to fraction form
    19,430,276.40/29,145,414.60 = 18,870,404.40/x
  3. Step 3: Cross multiply
    19,430,276.40x = 29,145,414.60 × 18,870,404.40
  4. Step 4: Simplify right side
    19,430,276.40x = 549,985,759,907,664.25
  5. Step 5: Solve for x
    x = 549,985,759,907,664.25/19,430,276.40
  6. Step 6: Final answer
    x = 28,305,606.60

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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.