Home / 7,869,886.85-10,860,157.13-4,385,045.57

Finding the Fourth Proportional to 7,869,886.85, 10,860,157.13 and 4,385,045.57

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Solution

The fourth proportional to 7,869,886.85, 10,860,157.13 and 4,385,045.57 is: 6,051,203.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869,886.85 : 10,860,157.13 = 4,385,045.57 : x
  2. Step 2: Convert to fraction form
    7,869,886.85/10,860,157.13 = 4,385,045.57/x
  3. Step 3: Cross multiply
    7,869,886.85x = 10,860,157.13 × 4,385,045.57
  4. Step 4: Simplify right side
    7,869,886.85x = 47,622,283,858,109.63
  5. Step 5: Solve for x
    x = 47,622,283,858,109.63/7,869,886.85
  6. Step 6: Final answer
    x = 6,051,203.12

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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.