Home / 5,438,018.12-7,502,341.14-3,113,668.52

Finding the Fourth Proportional to 5,438,018.12, 7,502,341.14 and 3,113,668.52

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Solution

The fourth proportional to 5,438,018.12, 7,502,341.14 and 3,113,668.52 is: 4,295,646.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438,018.12 : 7,502,341.14 = 3,113,668.52 : x
  2. Step 2: Convert to fraction form
    5,438,018.12/7,502,341.14 = 3,113,668.52/x
  3. Step 3: Cross multiply
    5,438,018.12x = 7,502,341.14 × 3,113,668.52
  4. Step 4: Simplify right side
    5,438,018.12x = 23,359,803,433,918.91
  5. Step 5: Solve for x
    x = 23,359,803,433,918.91/5,438,018.12
  6. Step 6: Final answer
    x = 4,295,646.49

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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.