Home / 12,944,059.80-19,416,089.70-12,692,117.40

Finding the Fourth Proportional to 12,944,059.80, 19,416,089.70 and 12,692,117.40

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Solution

The fourth proportional to 12,944,059.80, 19,416,089.70 and 12,692,117.40 is: 19,038,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944,059.80 : 19,416,089.70 = 12,692,117.40 : x
  2. Step 2: Convert to fraction form
    12,944,059.80/19,416,089.70 = 12,692,117.40/x
  3. Step 3: Cross multiply
    12,944,059.80x = 19,416,089.70 × 12,692,117.40
  4. Step 4: Simplify right side
    12,944,059.80x = 246,431,289,921,330.78
  5. Step 5: Solve for x
    x = 246,431,289,921,330.78/12,944,059.80
  6. Step 6: Final answer
    x = 19,038,176.10

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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.