Home / 6,620,661.33-9,931,178.36-1,828,350.63

Finding the Fourth Proportional to 6,620,661.33, 9,931,178.36 and 1,828,350.63

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Solution

The fourth proportional to 6,620,661.33, 9,931,178.36 and 1,828,350.63 is: 2,742,577.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620,661.33 : 9,931,178.36 = 1,828,350.63 : x
  2. Step 2: Convert to fraction form
    6,620,661.33/9,931,178.36 = 1,828,350.63/x
  3. Step 3: Cross multiply
    6,620,661.33x = 9,931,178.36 × 1,828,350.63
  4. Step 4: Simplify right side
    6,620,661.33x = 18,157,676,202,006.61
  5. Step 5: Solve for x
    x = 18,157,676,202,006.61/6,620,661.33
  6. Step 6: Final answer
    x = 2,742,577.41

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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.