Home / 7,180,075.03-9,908,503.56-3,916,902.92

Finding the Fourth Proportional to 7,180,075.03, 9,908,503.56 and 3,916,902.92

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Solution

The fourth proportional to 7,180,075.03, 9,908,503.56 and 3,916,902.92 is: 5,405,326.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180,075.03 : 9,908,503.56 = 3,916,902.92 : x
  2. Step 2: Convert to fraction form
    7,180,075.03/9,908,503.56 = 3,916,902.92/x
  3. Step 3: Cross multiply
    7,180,075.03x = 9,908,503.56 × 3,916,902.92
  4. Step 4: Simplify right side
    7,180,075.03x = 38,810,646,526,994.40
  5. Step 5: Solve for x
    x = 38,810,646,526,994.40/7,180,075.03
  6. Step 6: Final answer
    x = 5,405,326.04

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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.