Home / 9,990,233.42-13,786,521.95-5,406,554.79

Finding the Fourth Proportional to 9,990,233.42, 13,786,521.95 and 5,406,554.79

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Solution

The fourth proportional to 9,990,233.42, 13,786,521.95 and 5,406,554.79 is: 7,461,045.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990,233.42 : 13,786,521.95 = 5,406,554.79 : x
  2. Step 2: Convert to fraction form
    9,990,233.42/13,786,521.95 = 5,406,554.79/x
  3. Step 3: Cross multiply
    9,990,233.42x = 13,786,521.95 × 5,406,554.79
  4. Step 4: Simplify right side
    9,990,233.42x = 74,537,586,286,212.64
  5. Step 5: Solve for x
    x = 74,537,586,286,212.64/9,990,233.42
  6. Step 6: Final answer
    x = 7,461,045.52

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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.