Home / 15,555,610.80-23,333,416.20-9,879,908.40

Finding the Fourth Proportional to 15,555,610.80, 23,333,416.20 and 9,879,908.40

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Solution

The fourth proportional to 15,555,610.80, 23,333,416.20 and 9,879,908.40 is: 14,819,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,555,610.80 : 23,333,416.20 = 9,879,908.40 : x
  2. Step 2: Convert to fraction form
    15,555,610.80/23,333,416.20 = 9,879,908.40/x
  3. Step 3: Cross multiply
    15,555,610.80x = 23,333,416.20 × 9,879,908.40
  4. Step 4: Simplify right side
    15,555,610.80x = 230,532,014,715,076.09
  5. Step 5: Solve for x
    x = 230,532,014,715,076.09/15,555,610.80
  6. Step 6: Final answer
    x = 14,819,862.60

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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.