Home / 19,426,077.20-29,147,280.60-10,440,131.60

Finding the Fourth Proportional to 19,426,077.20, 29,147,280.60 and 10,440,131.60

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Solution

The fourth proportional to 19,426,077.20, 29,147,280.60 and 10,440,131.60 is: 15,664,585.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,426,077.20 : 29,147,280.60 = 10,440,131.60 : x
  2. Step 2: Convert to fraction form
    19,426,077.20/29,147,280.60 = 10,440,131.60/x
  3. Step 3: Cross multiply
    19,426,077.20x = 29,147,280.60 × 10,440,131.60
  4. Step 4: Simplify right side
    19,426,077.20x = 304,301,445,246,126.94
  5. Step 5: Solve for x
    x = 304,301,445,246,126.94/19,426,077.20
  6. Step 6: Final answer
    x = 15,664,585.40

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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.