Home / 12,089,145.90-18,117,130.05-9,849,657.90

Finding the Fourth Proportional to 12,089,145.90, 18,117,130.05 and 9,849,657.90

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Solution

The fourth proportional to 12,089,145.90, 18,117,130.05 and 9,849,657.90 is: 14,760,971.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089,145.90 : 18,117,130.05 = 9,849,657.90 : x
  2. Step 2: Convert to fraction form
    12,089,145.90/18,117,130.05 = 9,849,657.90/x
  3. Step 3: Cross multiply
    12,089,145.90x = 18,117,130.05 × 9,849,657.90
  4. Step 4: Simplify right side
    12,089,145.90x = 178,447,533,122,309.91
  5. Step 5: Solve for x
    x = 178,447,533,122,309.91/12,089,145.90
  6. Step 6: Final answer
    x = 14,760,971.09

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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.