Home / 13,831,923.20-20,748,881.25-5,312,259.67

Finding the Fourth Proportional to 13,831,923.20, 20,748,881.25 and 5,312,259.67

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Solution

The fourth proportional to 13,831,923.20, 20,748,881.25 and 5,312,259.67 is: 7,968,772.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831,923.20 : 20,748,881.25 = 5,312,259.67 : x
  2. Step 2: Convert to fraction form
    13,831,923.20/20,748,881.25 = 5,312,259.67/x
  3. Step 3: Cross multiply
    13,831,923.20x = 20,748,881.25 × 5,312,259.67
  4. Step 4: Simplify right side
    13,831,923.20x = 110,223,445,010,122
  5. Step 5: Solve for x
    x = 110,223,445,010,122/13,831,923.20
  6. Step 6: Final answer
    x = 7,968,772.20

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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.