Home / 19,309,827.60-28,968,629.40-5,662,947.60

Finding the Fourth Proportional to 19,309,827.60, 28,968,629.40 and 5,662,947.60

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Solution

The fourth proportional to 19,309,827.60, 28,968,629.40 and 5,662,947.60 is: 8,495,561.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,309,827.60 : 28,968,629.40 = 5,662,947.60 : x
  2. Step 2: Convert to fraction form
    19,309,827.60/28,968,629.40 = 5,662,947.60/x
  3. Step 3: Cross multiply
    19,309,827.60x = 28,968,629.40 × 5,662,947.60
  4. Step 4: Simplify right side
    19,309,827.60x = 164,047,830,336,019.41
  5. Step 5: Solve for x
    x = 164,047,830,336,019.41/19,309,827.60
  6. Step 6: Final answer
    x = 8,495,561.62

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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.