Home / 8,656,913.20-12,985,369.80-4,168,106.80

Finding the Fourth Proportional to 8,656,913.20, 12,985,369.80 and 4,168,106.80

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Solution

The fourth proportional to 8,656,913.20, 12,985,369.80 and 4,168,106.80 is: 6,252,160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656,913.20 : 12,985,369.80 = 4,168,106.80 : x
  2. Step 2: Convert to fraction form
    8,656,913.20/12,985,369.80 = 4,168,106.80/x
  3. Step 3: Cross multiply
    8,656,913.20x = 12,985,369.80 × 4,168,106.80
  4. Step 4: Simplify right side
    8,656,913.20x = 54,124,408,163,894.64
  5. Step 5: Solve for x
    x = 54,124,408,163,894.64/8,656,913.20
  6. Step 6: Final answer
    x = 6,252,160.20

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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.