Home / 13,030,209.54-17,983,847.70-7,230,854.16

Finding the Fourth Proportional to 13,030,209.54, 17,983,847.70 and 7,230,854.16

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Solution

The fourth proportional to 13,030,209.54, 17,983,847.70 and 7,230,854.16 is: 9,979,776.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030,209.54 : 17,983,847.70 = 7,230,854.16 : x
  2. Step 2: Convert to fraction form
    13,030,209.54/17,983,847.70 = 7,230,854.16/x
  3. Step 3: Cross multiply
    13,030,209.54x = 17,983,847.70 × 7,230,854.16
  4. Step 4: Simplify right side
    13,030,209.54x = 130,038,579,954,351.42
  5. Step 5: Solve for x
    x = 130,038,579,954,351.42/13,030,209.54
  6. Step 6: Final answer
    x = 9,979,776.58

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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.