Home / 7,817,655.72-10,783,892.82-4,554,126.60

Finding the Fourth Proportional to 7,817,655.72, 10,783,892.82 and 4,554,126.60

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Solution

The fourth proportional to 7,817,655.72, 10,783,892.82 and 4,554,126.60 is: 6,282,089.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,817,655.72 : 10,783,892.82 = 4,554,126.60 : x
  2. Step 2: Convert to fraction form
    7,817,655.72/10,783,892.82 = 4,554,126.60/x
  3. Step 3: Cross multiply
    7,817,655.72x = 10,783,892.82 × 4,554,126.60
  4. Step 4: Simplify right side
    7,817,655.72x = 49,111,213,143,111.01
  5. Step 5: Solve for x
    x = 49,111,213,143,111.01/7,817,655.72
  6. Step 6: Final answer
    x = 6,282,089.53

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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.