Home / 8,780,130.27-12,116,904.12-4,806,679.95

Finding the Fourth Proportional to 8,780,130.27, 12,116,904.12 and 4,806,679.95

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Solution

The fourth proportional to 8,780,130.27, 12,116,904.12 and 4,806,679.95 is: 6,633,395.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,780,130.27 : 12,116,904.12 = 4,806,679.95 : x
  2. Step 2: Convert to fraction form
    8,780,130.27/12,116,904.12 = 4,806,679.95/x
  3. Step 3: Cross multiply
    8,780,130.27x = 12,116,904.12 × 4,806,679.95
  4. Step 4: Simplify right side
    8,780,130.27x = 58,242,080,089,676.39
  5. Step 5: Solve for x
    x = 58,242,080,089,676.39/8,780,130.27
  6. Step 6: Final answer
    x = 6,633,395.89

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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.