Home / 8,779,509.64-12,116,194.50-4,911,800.68

Finding the Fourth Proportional to 8,779,509.64, 12,116,194.50 and 4,911,800.68

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Solution

The fourth proportional to 8,779,509.64, 12,116,194.50 and 4,911,800.68 is: 6,778,548.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779,509.64 : 12,116,194.50 = 4,911,800.68 : x
  2. Step 2: Convert to fraction form
    8,779,509.64/12,116,194.50 = 4,911,800.68/x
  3. Step 3: Cross multiply
    8,779,509.64x = 12,116,194.50 × 4,911,800.68
  4. Step 4: Simplify right side
    8,779,509.64x = 59,512,332,384,112.26
  5. Step 5: Solve for x
    x = 59,512,332,384,112.26/8,779,509.64
  6. Step 6: Final answer
    x = 6,778,548.56

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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.