Home / 7,359,287.80-11,038,931.70-5,091,806.20

Finding the Fourth Proportional to 7,359,287.80, 11,038,931.70 and 5,091,806.20

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Solution

The fourth proportional to 7,359,287.80, 11,038,931.70 and 5,091,806.20 is: 7,637,709.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,359,287.80 : 11,038,931.70 = 5,091,806.20 : x
  2. Step 2: Convert to fraction form
    7,359,287.80/11,038,931.70 = 5,091,806.20/x
  3. Step 3: Cross multiply
    7,359,287.80x = 11,038,931.70 × 5,091,806.20
  4. Step 4: Simplify right side
    7,359,287.80x = 56,208,100,871,436.54
  5. Step 5: Solve for x
    x = 56,208,100,871,436.54/7,359,287.80
  6. Step 6: Final answer
    x = 7,637,709.30

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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.