Home / 28,292,501.52-42,455,220.36-11,896,600.86

Finding the Fourth Proportional to 28,292,501.52, 42,455,220.36 and 11,896,600.86

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Solution

The fourth proportional to 28,292,501.52, 42,455,220.36 and 11,896,600.86 is: 17,851,825.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,292,501.52 : 42,455,220.36 = 11,896,600.86 : x
  2. Step 2: Convert to fraction form
    28,292,501.52/42,455,220.36 = 11,896,600.86/x
  3. Step 3: Cross multiply
    28,292,501.52x = 42,455,220.36 × 11,896,600.86
  4. Step 4: Simplify right side
    28,292,501.52x = 505,072,811,046,265.50
  5. Step 5: Solve for x
    x = 505,072,811,046,265.50/28,292,501.52
  6. Step 6: Final answer
    x = 17,851,825.89

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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.