Home / 18,683,856.60-28,025,784.90-10,074,512.40

Finding the Fourth Proportional to 18,683,856.60, 28,025,784.90 and 10,074,512.40

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Solution

The fourth proportional to 18,683,856.60, 28,025,784.90 and 10,074,512.40 is: 15,111,768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683,856.60 : 28,025,784.90 = 10,074,512.40 : x
  2. Step 2: Convert to fraction form
    18,683,856.60/28,025,784.90 = 10,074,512.40/x
  3. Step 3: Cross multiply
    18,683,856.60x = 28,025,784.90 × 10,074,512.40
  4. Step 4: Simplify right side
    18,683,856.60x = 282,346,117,494,782.75
  5. Step 5: Solve for x
    x = 282,346,117,494,782.75/18,683,856.60
  6. Step 6: Final answer
    x = 15,111,768.60

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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.