Home / 43,106,868.60-64,669,634.10-12,817,793.40

Finding the Fourth Proportional to 43,106,868.60, 64,669,634.10 and 12,817,793.40

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Solution

The fourth proportional to 43,106,868.60, 64,669,634.10 and 12,817,793.40 is: 19,229,464.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,106,868.60 : 64,669,634.10 = 12,817,793.40 : x
  2. Step 2: Convert to fraction form
    43,106,868.60/64,669,634.10 = 12,817,793.40/x
  3. Step 3: Cross multiply
    43,106,868.60x = 64,669,634.10 × 12,817,793.40
  4. Step 4: Simplify right side
    43,106,868.60x = 828,922,009,147,395
  5. Step 5: Solve for x
    x = 828,922,009,147,395/43,106,868.60
  6. Step 6: Final answer
    x = 19,229,464.72

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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.