Home / 9,990,238.48-13,786,528.94-5,406,559.86

Finding the Fourth Proportional to 9,990,238.48, 13,786,528.94 and 5,406,559.86

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Solution

The fourth proportional to 9,990,238.48, 13,786,528.94 and 5,406,559.86 is: 7,461,052.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990,238.48 : 13,786,528.94 = 5,406,559.86 : x
  2. Step 2: Convert to fraction form
    9,990,238.48/13,786,528.94 = 5,406,559.86/x
  3. Step 3: Cross multiply
    9,990,238.48x = 13,786,528.94 × 5,406,559.86
  4. Step 4: Simplify right side
    9,990,238.48x = 74,537,693,975,732.34
  5. Step 5: Solve for x
    x = 74,537,693,975,732.34/9,990,238.48
  6. Step 6: Final answer
    x = 7,461,052.52

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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.