Home / 12,786,089.57-19,186,701.01-4,704,740.23

Finding the Fourth Proportional to 12,786,089.57, 19,186,701.01 and 4,704,740.23

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Solution

The fourth proportional to 12,786,089.57, 19,186,701.01 and 4,704,740.23 is: 7,059,894.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,786,089.57 : 19,186,701.01 = 4,704,740.23 : x
  2. Step 2: Convert to fraction form
    12,786,089.57/19,186,701.01 = 4,704,740.23/x
  3. Step 3: Cross multiply
    12,786,089.57x = 19,186,701.01 × 4,704,740.23
  4. Step 4: Simplify right side
    12,786,089.57x = 90,268,444,122,728.66
  5. Step 5: Solve for x
    x = 90,268,444,122,728.66/12,786,089.57
  6. Step 6: Final answer
    x = 7,059,894.55

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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.