Home / 14,303,184.60-19,738,162.20-7,776,978.40

Finding the Fourth Proportional to 14,303,184.60, 19,738,162.20 and 7,776,978.40

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Solution

The fourth proportional to 14,303,184.60, 19,738,162.20 and 7,776,978.40 is: 10,732,103.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,303,184.60 : 19,738,162.20 = 7,776,978.40 : x
  2. Step 2: Convert to fraction form
    14,303,184.60/19,738,162.20 = 7,776,978.40/x
  3. Step 3: Cross multiply
    14,303,184.60x = 19,738,162.20 × 7,776,978.40
  4. Step 4: Simplify right side
    14,303,184.60x = 153,503,261,138,932.84
  5. Step 5: Solve for x
    x = 153,503,261,138,932.84/14,303,184.60
  6. Step 6: Final answer
    x = 10,732,103.75

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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.