Home / 19,258,200.90-28,887,301.35-12,455,756.10

Finding the Fourth Proportional to 19,258,200.90, 28,887,301.35 and 12,455,756.10

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Solution

The fourth proportional to 19,258,200.90, 28,887,301.35 and 12,455,756.10 is: 18,683,634.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,258,200.90 : 28,887,301.35 = 12,455,756.10 : x
  2. Step 2: Convert to fraction form
    19,258,200.90/28,887,301.35 = 12,455,756.10/x
  3. Step 3: Cross multiply
    19,258,200.90x = 28,887,301.35 × 12,455,756.10
  4. Step 4: Simplify right side
    19,258,200.90x = 359,813,180,002,800.75
  5. Step 5: Solve for x
    x = 359,813,180,002,800.75/19,258,200.90
  6. Step 6: Final answer
    x = 18,683,634.15

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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.