Home / 9,990,066.96-13,786,292.34-5,406,389.28

Finding the Fourth Proportional to 9,990,066.96, 13,786,292.34 and 5,406,389.28

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Solution

The fourth proportional to 9,990,066.96, 13,786,292.34 and 5,406,389.28 is: 7,460,817.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990,066.96 : 13,786,292.34 = 5,406,389.28 : x
  2. Step 2: Convert to fraction form
    9,990,066.96/13,786,292.34 = 5,406,389.28/x
  3. Step 3: Cross multiply
    9,990,066.96x = 13,786,292.34 × 5,406,389.28
  4. Step 4: Simplify right side
    9,990,066.96x = 74,534,063,117,922.12
  5. Step 5: Solve for x
    x = 74,534,063,117,922.12/9,990,066.96
  6. Step 6: Final answer
    x = 7,460,817.17

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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.