Home / 7,280,697-10,047,575.05-3,973,204.35

Finding the Fourth Proportional to 7,280,697, 10,047,575.05 and 3,973,204.35

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Solution

The fourth proportional to 7,280,697, 10,047,575.05 and 3,973,204.35 is: 5,483,138.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280,697 : 10,047,575.05 = 3,973,204.35 : x
  2. Step 2: Convert to fraction form
    7,280,697/10,047,575.05 = 3,973,204.35/x
  3. Step 3: Cross multiply
    7,280,697x = 10,047,575.05 × 3,973,204.35
  4. Step 4: Simplify right side
    7,280,697x = 39,921,068,895,611.47
  5. Step 5: Solve for x
    x = 39,921,068,895,611.47/7,280,697
  6. Step 6: Final answer
    x = 5,483,138.34

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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.