Home / 12,069,019.40-18,089,532.30-4,875,830.60

Finding the Fourth Proportional to 12,069,019.40, 18,089,532.30 and 4,875,830.60

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Solution

The fourth proportional to 12,069,019.40, 18,089,532.30 and 4,875,830.60 is: 7,308,091.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069,019.40 : 18,089,532.30 = 4,875,830.60 : x
  2. Step 2: Convert to fraction form
    12,069,019.40/18,089,532.30 = 4,875,830.60/x
  3. Step 3: Cross multiply
    12,069,019.40x = 18,089,532.30 × 4,875,830.60
  4. Step 4: Simplify right side
    12,069,019.40x = 88,201,495,128,028.38
  5. Step 5: Solve for x
    x = 88,201,495,128,028.38/12,069,019.40
  6. Step 6: Final answer
    x = 7,308,091.25

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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.