Home / 7,249,069.84-10,003,460.32-3,985,861.72

Finding the Fourth Proportional to 7,249,069.84, 10,003,460.32 and 3,985,861.72

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Solution

The fourth proportional to 7,249,069.84, 10,003,460.32 and 3,985,861.72 is: 5,500,348.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249,069.84 : 10,003,460.32 = 3,985,861.72 : x
  2. Step 2: Convert to fraction form
    7,249,069.84/10,003,460.32 = 3,985,861.72/x
  3. Step 3: Cross multiply
    7,249,069.84x = 10,003,460.32 × 3,985,861.72
  4. Step 4: Simplify right side
    7,249,069.84x = 39,872,409,557,026.95
  5. Step 5: Solve for x
    x = 39,872,409,557,026.95/7,249,069.84
  6. Step 6: Final answer
    x = 5,500,348.38

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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.