Home / 20,401,902.90-30,602,854.35-19,232,732.70

Finding the Fourth Proportional to 20,401,902.90, 30,602,854.35 and 19,232,732.70

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Solution

The fourth proportional to 20,401,902.90, 30,602,854.35 and 19,232,732.70 is: 28,849,099.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,401,902.90 : 30,602,854.35 = 19,232,732.70 : x
  2. Step 2: Convert to fraction form
    20,401,902.90/30,602,854.35 = 19,232,732.70/x
  3. Step 3: Cross multiply
    20,401,902.90x = 30,602,854.35 × 19,232,732.70
  4. Step 4: Simplify right side
    20,401,902.90x = 588,576,517,570,582.25
  5. Step 5: Solve for x
    x = 588,576,517,570,582.25/20,401,902.90
  6. Step 6: Final answer
    x = 28,849,099.05

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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.