Home / 9,285,374.26-12,814,216.59-5,155,405.57

Finding the Fourth Proportional to 9,285,374.26, 12,814,216.59 and 5,155,405.57

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Solution

The fourth proportional to 9,285,374.26, 12,814,216.59 and 5,155,405.57 is: 7,114,681.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285,374.26 : 12,814,216.59 = 5,155,405.57 : x
  2. Step 2: Convert to fraction form
    9,285,374.26/12,814,216.59 = 5,155,405.57/x
  3. Step 3: Cross multiply
    9,285,374.26x = 12,814,216.59 × 5,155,405.57
  4. Step 4: Simplify right side
    9,285,374.26x = 66,062,483,583,272.41
  5. Step 5: Solve for x
    x = 66,062,483,583,272.41/9,285,374.26
  6. Step 6: Final answer
    x = 7,114,681.84

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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.