Home / 19,991,420.40-29,987,130.93-4,845,351.90

Finding the Fourth Proportional to 19,991,420.40, 29,987,130.93 and 4,845,351.90

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Solution

The fourth proportional to 19,991,420.40, 29,987,130.93 and 4,845,351.90 is: 7,268,027.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,991,420.40 : 29,987,130.93 = 4,845,351.90 : x
  2. Step 2: Convert to fraction form
    19,991,420.40/29,987,130.93 = 4,845,351.90/x
  3. Step 3: Cross multiply
    19,991,420.40x = 29,987,130.93 × 4,845,351.90
  4. Step 4: Simplify right side
    19,991,420.40x = 145,298,201,827,224.28
  5. Step 5: Solve for x
    x = 145,298,201,827,224.28/19,991,420.40
  6. Step 6: Final answer
    x = 7,268,027.93

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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.