Home / 13,683,276.18-18,883,089.09-7,572,273.30

Finding the Fourth Proportional to 13,683,276.18, 18,883,089.09 and 7,572,273.30

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Solution

The fourth proportional to 13,683,276.18, 18,883,089.09 and 7,572,273.30 is: 10,449,830.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,683,276.18 : 18,883,089.09 = 7,572,273.30 : x
  2. Step 2: Convert to fraction form
    13,683,276.18/18,883,089.09 = 7,572,273.30/x
  3. Step 3: Cross multiply
    13,683,276.18x = 18,883,089.09 × 7,572,273.30
  4. Step 4: Simplify right side
    13,683,276.18x = 142,987,911,337,728.28
  5. Step 5: Solve for x
    x = 142,987,911,337,728.28/13,683,276.18
  6. Step 6: Final answer
    x = 10,449,830.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.