Home / 9,989,919.99-13,786,133.04-5,406,241.77

Finding the Fourth Proportional to 9,989,919.99, 13,786,133.04 and 5,406,241.77

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Solution

The fourth proportional to 9,989,919.99, 13,786,133.04 and 5,406,241.77 is: 7,460,637.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,989,919.99 : 13,786,133.04 = 5,406,241.77 : x
  2. Step 2: Convert to fraction form
    9,989,919.99/13,786,133.04 = 5,406,241.77/x
  3. Step 3: Cross multiply
    9,989,919.99x = 13,786,133.04 × 5,406,241.77
  4. Step 4: Simplify right side
    9,989,919.99x = 74,531,168,287,625.06
  5. Step 5: Solve for x
    x = 74,531,168,287,625.06/9,989,919.99
  6. Step 6: Final answer
    x = 7,460,637.16

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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.