Home / 10,513,071.60-15,764,999.40-4,831,407.60

Finding the Fourth Proportional to 10,513,071.60, 15,764,999.40 and 4,831,407.60

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Solution

The fourth proportional to 10,513,071.60, 15,764,999.40 and 4,831,407.60 is: 7,244,993.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,513,071.60 : 15,764,999.40 = 4,831,407.60 : x
  2. Step 2: Convert to fraction form
    10,513,071.60/15,764,999.40 = 4,831,407.60/x
  3. Step 3: Cross multiply
    10,513,071.60x = 15,764,999.40 × 4,831,407.60
  4. Step 4: Simplify right side
    10,513,071.60x = 76,167,137,915,155.44
  5. Step 5: Solve for x
    x = 76,167,137,915,155.44/10,513,071.60
  6. Step 6: Final answer
    x = 7,244,993.74

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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.