Home / 9,072,028.80-13,592,296.80-8,505,158.40

Finding the Fourth Proportional to 9,072,028.80, 13,592,296.80 and 8,505,158.40

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Solution

The fourth proportional to 9,072,028.80, 13,592,296.80 and 8,505,158.40 is: 12,742,975.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072,028.80 : 13,592,296.80 = 8,505,158.40 : x
  2. Step 2: Convert to fraction form
    9,072,028.80/13,592,296.80 = 8,505,158.40/x
  3. Step 3: Cross multiply
    9,072,028.80x = 13,592,296.80 × 8,505,158.40
  4. Step 4: Simplify right side
    9,072,028.80x = 115,604,637,303,813.12
  5. Step 5: Solve for x
    x = 115,604,637,303,813.12/9,072,028.80
  6. Step 6: Final answer
    x = 12,742,975.12

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1.5x scale

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.