Home / 7,315,923.16-10,093,912.59-4,218,203.06

Finding the Fourth Proportional to 7,315,923.16, 10,093,912.59 and 4,218,203.06

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Solution

The fourth proportional to 7,315,923.16, 10,093,912.59 and 4,218,203.06 is: 5,819,931.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315,923.16 : 10,093,912.59 = 4,218,203.06 : x
  2. Step 2: Convert to fraction form
    7,315,923.16/10,093,912.59 = 4,218,203.06/x
  3. Step 3: Cross multiply
    7,315,923.16x = 10,093,912.59 × 4,218,203.06
  4. Step 4: Simplify right side
    7,315,923.16x = 42,578,172,974,510.52
  5. Step 5: Solve for x
    x = 42,578,172,974,510.52/7,315,923.16
  6. Step 6: Final answer
    x = 5,819,931.68

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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.