Home / 12,913,670.42-17,820,500.48-7,033,171.26

Finding the Fourth Proportional to 12,913,670.42, 17,820,500.48 and 7,033,171.26

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Solution

The fourth proportional to 12,913,670.42, 17,820,500.48 and 7,033,171.26 is: 9,705,577.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,913,670.42 : 17,820,500.48 = 7,033,171.26 : x
  2. Step 2: Convert to fraction form
    12,913,670.42/17,820,500.48 = 7,033,171.26/x
  3. Step 3: Cross multiply
    12,913,670.42x = 17,820,500.48 × 7,033,171.26
  4. Step 4: Simplify right side
    12,913,670.42x = 125,334,631,779,586.36
  5. Step 5: Solve for x
    x = 125,334,631,779,586.36/12,913,670.42
  6. Step 6: Final answer
    x = 9,705,577.71

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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.