Home / 10,128,544.48-13,977,391.86-5,544,865.86

Finding the Fourth Proportional to 10,128,544.48, 13,977,391.86 and 5,544,865.86

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Solution

The fourth proportional to 10,128,544.48, 13,977,391.86 and 5,544,865.86 is: 7,651,915.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,128,544.48 : 13,977,391.86 = 5,544,865.86 : x
  2. Step 2: Convert to fraction form
    10,128,544.48/13,977,391.86 = 5,544,865.86/x
  3. Step 3: Cross multiply
    10,128,544.48x = 13,977,391.86 × 5,544,865.86
  4. Step 4: Simplify right side
    10,128,544.48x = 77,502,762,852,606.78
  5. Step 5: Solve for x
    x = 77,502,762,852,606.78/10,128,544.48
  6. Step 6: Final answer
    x = 7,651,915.14

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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.