Home / 7,018,669.85-9,685,831.16-4,118,110.07

Finding the Fourth Proportional to 7,018,669.85, 9,685,831.16 and 4,118,110.07

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Solution

The fourth proportional to 7,018,669.85, 9,685,831.16 and 4,118,110.07 is: 5,683,031.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018,669.85 : 9,685,831.16 = 4,118,110.07 : x
  2. Step 2: Convert to fraction form
    7,018,669.85/9,685,831.16 = 4,118,110.07/x
  3. Step 3: Cross multiply
    7,018,669.85x = 9,685,831.16 × 4,118,110.07
  4. Step 4: Simplify right side
    7,018,669.85x = 39,887,318,798,181.90
  5. Step 5: Solve for x
    x = 39,887,318,798,181.90/7,018,669.85
  6. Step 6: Final answer
    x = 5,683,031.07

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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.