Home / 14,443,725.36-19,920,718.12-12,697,661.52

Finding the Fourth Proportional to 14,443,725.36, 19,920,718.12 and 12,697,661.52

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Solution

The fourth proportional to 14,443,725.36, 19,920,718.12 and 12,697,661.52 is: 17,512,555.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,443,725.36 : 19,920,718.12 = 12,697,661.52 : x
  2. Step 2: Convert to fraction form
    14,443,725.36/19,920,718.12 = 12,697,661.52/x
  3. Step 3: Cross multiply
    14,443,725.36x = 19,920,718.12 × 12,697,661.52
  4. Step 4: Simplify right side
    14,443,725.36x = 252,946,535,923,090.75
  5. Step 5: Solve for x
    x = 252,946,535,923,090.75/14,443,725.36
  6. Step 6: Final answer
    x = 17,512,555.08

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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.