Home / 7,408,090.40-11,112,135.60-4,219,444.40

Finding the Fourth Proportional to 7,408,090.40, 11,112,135.60 and 4,219,444.40

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Solution

The fourth proportional to 7,408,090.40, 11,112,135.60 and 4,219,444.40 is: 6,329,166.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408,090.40 : 11,112,135.60 = 4,219,444.40 : x
  2. Step 2: Convert to fraction form
    7,408,090.40/11,112,135.60 = 4,219,444.40/x
  3. Step 3: Cross multiply
    7,408,090.40x = 11,112,135.60 × 4,219,444.40
  4. Step 4: Simplify right side
    7,408,090.40x = 46,887,038,329,460.64
  5. Step 5: Solve for x
    x = 46,887,038,329,460.64/7,408,090.40
  6. Step 6: Final answer
    x = 6,329,166.60

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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.