Home / 22,360,423.88-30,857,199.48-12,570,911.72

Finding the Fourth Proportional to 22,360,423.88, 30,857,199.48 and 12,570,911.72

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Solution

The fourth proportional to 22,360,423.88, 30,857,199.48 and 12,570,911.72 is: 17,347,753.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,360,423.88 : 30,857,199.48 = 12,570,911.72 : x
  2. Step 2: Convert to fraction form
    22,360,423.88/30,857,199.48 = 12,570,911.72/x
  3. Step 3: Cross multiply
    22,360,423.88x = 30,857,199.48 × 12,570,911.72
  4. Step 4: Simplify right side
    22,360,423.88x = 387,903,130,589,509.94
  5. Step 5: Solve for x
    x = 387,903,130,589,509.94/22,360,423.88
  6. Step 6: Final answer
    x = 17,347,753.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.