Home / 9,991,970.40-14,993,935.12-9,178,865.76

Finding the Fourth Proportional to 9,991,970.40, 14,993,935.12 and 9,178,865.76

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Solution

The fourth proportional to 9,991,970.40, 14,993,935.12 and 9,178,865.76 is: 13,773,791.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,991,970.40 : 14,993,935.12 = 9,178,865.76 : x
  2. Step 2: Convert to fraction form
    9,991,970.40/14,993,935.12 = 9,178,865.76/x
  3. Step 3: Cross multiply
    9,991,970.40x = 14,993,935.12 × 9,178,865.76
  4. Step 4: Simplify right side
    9,991,970.40x = 137,627,317,680,629.48
  5. Step 5: Solve for x
    x = 137,627,317,680,629.48/9,991,970.40
  6. Step 6: Final answer
    x = 13,773,791.57

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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.