Home / 7,553,817.20-10,423,941.64-4,290,621.72

Finding the Fourth Proportional to 7,553,817.20, 10,423,941.64 and 4,290,621.72

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Solution

The fourth proportional to 7,553,817.20, 10,423,941.64 and 4,290,621.72 is: 5,920,872.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,553,817.20 : 10,423,941.64 = 4,290,621.72 : x
  2. Step 2: Convert to fraction form
    7,553,817.20/10,423,941.64 = 4,290,621.72/x
  3. Step 3: Cross multiply
    7,553,817.20x = 10,423,941.64 × 4,290,621.72
  4. Step 4: Simplify right side
    7,553,817.20x = 44,725,190,408,596.42
  5. Step 5: Solve for x
    x = 44,725,190,408,596.42/7,553,817.20
  6. Step 6: Final answer
    x = 5,920,872.75

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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.