Home / 9,786,729.04-13,506,744.56-5,921,381.50

Finding the Fourth Proportional to 9,786,729.04, 13,506,744.56 and 5,921,381.50

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Solution

The fourth proportional to 9,786,729.04, 13,506,744.56 and 5,921,381.50 is: 8,172,146.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,786,729.04 : 13,506,744.56 = 5,921,381.50 : x
  2. Step 2: Convert to fraction form
    9,786,729.04/13,506,744.56 = 5,921,381.50/x
  3. Step 3: Cross multiply
    9,786,729.04x = 13,506,744.56 × 5,921,381.50
  4. Step 4: Simplify right side
    9,786,729.04x = 79,978,587,362,809.64
  5. Step 5: Solve for x
    x = 79,978,587,362,809.64/9,786,729.04
  6. Step 6: Final answer
    x = 8,172,146.90

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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.