Home / 13,205,556.16-18,216,960.32-8,624,559.04

Finding the Fourth Proportional to 13,205,556.16, 18,216,960.32 and 8,624,559.04

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Solution

The fourth proportional to 13,205,556.16, 18,216,960.32 and 8,624,559.04 is: 11,897,511.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,205,556.16 : 18,216,960.32 = 8,624,559.04 : x
  2. Step 2: Convert to fraction form
    13,205,556.16/18,216,960.32 = 8,624,559.04/x
  3. Step 3: Cross multiply
    13,205,556.16x = 18,216,960.32 × 8,624,559.04
  4. Step 4: Simplify right side
    13,205,556.16x = 157,113,249,809,177.28
  5. Step 5: Solve for x
    x = 157,113,249,809,177.28/13,205,556.16
  6. Step 6: Final answer
    x = 11,897,511.01

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1.5x scale

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.