Home / 9,318,957.40-13,980,431.94-5,277,355.48

Finding the Fourth Proportional to 9,318,957.40, 13,980,431.94 and 5,277,355.48

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Solution

The fourth proportional to 9,318,957.40, 13,980,431.94 and 5,277,355.48 is: 7,917,163.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318,957.40 : 13,980,431.94 = 5,277,355.48 : x
  2. Step 2: Convert to fraction form
    9,318,957.40/13,980,431.94 = 5,277,355.48/x
  3. Step 3: Cross multiply
    9,318,957.40x = 13,980,431.94 × 5,277,355.48
  4. Step 4: Simplify right side
    9,318,957.40x = 73,779,709,111,326.03
  5. Step 5: Solve for x
    x = 73,779,709,111,326.03/9,318,957.40
  6. Step 6: Final answer
    x = 7,917,163.47

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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.