Home / 8,709,077.80-13,047,870.30-7,449,365.80

Finding the Fourth Proportional to 8,709,077.80, 13,047,870.30 and 7,449,365.80

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Solution

The fourth proportional to 8,709,077.80, 13,047,870.30 and 7,449,365.80 is: 11,160,579.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,709,077.80 : 13,047,870.30 = 7,449,365.80 : x
  2. Step 2: Convert to fraction form
    8,709,077.80/13,047,870.30 = 7,449,365.80/x
  3. Step 3: Cross multiply
    8,709,077.80x = 13,047,870.30 × 7,449,365.80
  4. Step 4: Simplify right side
    8,709,077.80x = 97,198,358,775,655.75
  5. Step 5: Solve for x
    x = 97,198,358,775,655.75/8,709,077.80
  6. Step 6: Final answer
    x = 11,160,579.92

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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.