Home / 13,176,584.10-19,768,283.82-7,716,289.86

Finding the Fourth Proportional to 13,176,584.10, 19,768,283.82 and 7,716,289.86

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Solution

The fourth proportional to 13,176,584.10, 19,768,283.82 and 7,716,289.86 is: 11,576,430.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176,584.10 : 19,768,283.82 = 7,716,289.86 : x
  2. Step 2: Convert to fraction form
    13,176,584.10/19,768,283.82 = 7,716,289.86/x
  3. Step 3: Cross multiply
    13,176,584.10x = 19,768,283.82 × 7,716,289.86
  4. Step 4: Simplify right side
    13,176,584.10x = 152,537,807,989,868.06
  5. Step 5: Solve for x
    x = 152,537,807,989,868.06/13,176,584.10
  6. Step 6: Final answer
    x = 11,576,430.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.