Home / 7,110,763.78-9,811,147.47-4,319,831.23

Finding the Fourth Proportional to 7,110,763.78, 9,811,147.47 and 4,319,831.23

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Solution

The fourth proportional to 7,110,763.78, 9,811,147.47 and 4,319,831.23 is: 5,960,330.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110,763.78 : 9,811,147.47 = 4,319,831.23 : x
  2. Step 2: Convert to fraction form
    7,110,763.78/9,811,147.47 = 4,319,831.23/x
  3. Step 3: Cross multiply
    7,110,763.78x = 9,811,147.47 × 4,319,831.23
  4. Step 4: Simplify right side
    7,110,763.78x = 42,382,501,243,041.49
  5. Step 5: Solve for x
    x = 42,382,501,243,041.49/7,110,763.78
  6. Step 6: Final answer
    x = 5,960,330.36

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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.