Home / 7,657,985.40-10,568,021.79-4,173,325.21

Finding the Fourth Proportional to 7,657,985.40, 10,568,021.79 and 4,173,325.21

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Solution

The fourth proportional to 7,657,985.40, 10,568,021.79 and 4,173,325.21 is: 5,759,189.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,657,985.40 : 10,568,021.79 = 4,173,325.21 : x
  2. Step 2: Convert to fraction form
    7,657,985.40/10,568,021.79 = 4,173,325.21/x
  3. Step 3: Cross multiply
    7,657,985.40x = 10,568,021.79 × 4,173,325.21
  4. Step 4: Simplify right side
    7,657,985.40x = 44,103,791,756,036.32
  5. Step 5: Solve for x
    x = 44,103,791,756,036.32/7,657,985.40
  6. Step 6: Final answer
    x = 5,759,189.85

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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.