Home / 9,990,228.03-13,786,514.52-5,406,549.42

Finding the Fourth Proportional to 9,990,228.03, 13,786,514.52 and 5,406,549.42

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Solution

The fourth proportional to 9,990,228.03, 13,786,514.52 and 5,406,549.42 is: 7,461,038.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990,228.03 : 13,786,514.52 = 5,406,549.42 : x
  2. Step 2: Convert to fraction form
    9,990,228.03/13,786,514.52 = 5,406,549.42/x
  3. Step 3: Cross multiply
    9,990,228.03x = 13,786,514.52 × 5,406,549.42
  4. Step 4: Simplify right side
    9,990,228.03x = 74,537,472,081,927.58
  5. Step 5: Solve for x
    x = 74,537,472,081,927.58/9,990,228.03
  6. Step 6: Final answer
    x = 7,461,038.11

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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.