Home / 12,465,037.60-18,697,556.40-8,210,010.40

Finding the Fourth Proportional to 12,465,037.60, 18,697,556.40 and 8,210,010.40

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Solution

The fourth proportional to 12,465,037.60, 18,697,556.40 and 8,210,010.40 is: 12,315,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,465,037.60 : 18,697,556.40 = 8,210,010.40 : x
  2. Step 2: Convert to fraction form
    12,465,037.60/18,697,556.40 = 8,210,010.40/x
  3. Step 3: Cross multiply
    12,465,037.60x = 18,697,556.40 × 8,210,010.40
  4. Step 4: Simplify right side
    12,465,037.60x = 153,507,132,498,586.56
  5. Step 5: Solve for x
    x = 153,507,132,498,586.56/12,465,037.60
  6. Step 6: Final answer
    x = 12,315,015.60

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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.