Home / 9,270,193.81-12,792,895.02-5,140,515.90

Finding the Fourth Proportional to 9,270,193.81, 12,792,895.02 and 5,140,515.90

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Solution

The fourth proportional to 9,270,193.81, 12,792,895.02 and 5,140,515.90 is: 7,093,927.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,270,193.81 : 12,792,895.02 = 5,140,515.90 : x
  2. Step 2: Convert to fraction form
    9,270,193.81/12,792,895.02 = 5,140,515.90/x
  3. Step 3: Cross multiply
    9,270,193.81x = 12,792,895.02 × 5,140,515.90
  4. Step 4: Simplify right side
    9,270,193.81x = 65,762,080,257,340.82
  5. Step 5: Solve for x
    x = 65,762,080,257,340.82/9,270,193.81
  6. Step 6: Final answer
    x = 7,093,927.23

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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.