Home / 7,118,727-9,815,971.52-4,536,317.40

Finding the Fourth Proportional to 7,118,727, 9,815,971.52 and 4,536,317.40

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Solution

The fourth proportional to 7,118,727, 9,815,971.52 and 4,536,317.40 is: 6,255,101.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118,727 : 9,815,971.52 = 4,536,317.40 : x
  2. Step 2: Convert to fraction form
    7,118,727/9,815,971.52 = 4,536,317.40/x
  3. Step 3: Cross multiply
    7,118,727x = 9,815,971.52 × 4,536,317.40
  4. Step 4: Simplify right side
    7,118,727x = 44,528,362,404,080.45
  5. Step 5: Solve for x
    x = 44,528,362,404,080.45/7,118,727
  6. Step 6: Final answer
    x = 6,255,101.85

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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.