Home / 8,779,830.40-13,197,739.20-8,275,945.60

Finding the Fourth Proportional to 8,779,830.40, 13,197,739.20 and 8,275,945.60

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Solution

The fourth proportional to 8,779,830.40, 13,197,739.20 and 8,275,945.60 is: 12,440,305.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779,830.40 : 13,197,739.20 = 8,275,945.60 : x
  2. Step 2: Convert to fraction form
    8,779,830.40/13,197,739.20 = 8,275,945.60/x
  3. Step 3: Cross multiply
    8,779,830.40x = 13,197,739.20 × 8,275,945.60
  4. Step 4: Simplify right side
    8,779,830.40x = 109,223,771,662,187.52
  5. Step 5: Solve for x
    x = 109,223,771,662,187.52/8,779,830.40
  6. Step 6: Final answer
    x = 12,440,305.41

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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.