Home / 7,551,477.60-10,420,987.92-4,113,720.96

Finding the Fourth Proportional to 7,551,477.60, 10,420,987.92 and 4,113,720.96

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Solution

The fourth proportional to 7,551,477.60, 10,420,987.92 and 4,113,720.96 is: 5,676,907.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551,477.60 : 10,420,987.92 = 4,113,720.96 : x
  2. Step 2: Convert to fraction form
    7,551,477.60/10,420,987.92 = 4,113,720.96/x
  3. Step 3: Cross multiply
    7,551,477.60x = 10,420,987.92 × 4,113,720.96
  4. Step 4: Simplify right side
    7,551,477.60x = 42,869,036,430,410.80
  5. Step 5: Solve for x
    x = 42,869,036,430,410.80/7,551,477.60
  6. Step 6: Final answer
    x = 5,676,907.05

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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.