Home / 7,235,831.34-9,985,728.06-3,972,783.60

Finding the Fourth Proportional to 7,235,831.34, 9,985,728.06 and 3,972,783.60

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Solution

The fourth proportional to 7,235,831.34, 9,985,728.06 and 3,972,783.60 is: 5,482,595.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,235,831.34 : 9,985,728.06 = 3,972,783.60 : x
  2. Step 2: Convert to fraction form
    7,235,831.34/9,985,728.06 = 3,972,783.60/x
  3. Step 3: Cross multiply
    7,235,831.34x = 9,985,728.06 × 3,972,783.60
  4. Step 4: Simplify right side
    7,235,831.34x = 39,671,136,670,827.82
  5. Step 5: Solve for x
    x = 39,671,136,670,827.82/7,235,831.34
  6. Step 6: Final answer
    x = 5,482,595.55

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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.