Home / 7,112,731.20-10,669,096.80-4,561,814.40

Finding the Fourth Proportional to 7,112,731.20, 10,669,096.80 and 4,561,814.40

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Solution

The fourth proportional to 7,112,731.20, 10,669,096.80 and 4,561,814.40 is: 6,842,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112,731.20 : 10,669,096.80 = 4,561,814.40 : x
  2. Step 2: Convert to fraction form
    7,112,731.20/10,669,096.80 = 4,561,814.40/x
  3. Step 3: Cross multiply
    7,112,731.20x = 10,669,096.80 × 4,561,814.40
  4. Step 4: Simplify right side
    7,112,731.20x = 48,670,439,417,233.93
  5. Step 5: Solve for x
    x = 48,670,439,417,233.93/7,112,731.20
  6. Step 6: Final answer
    x = 6,842,721.60

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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.