Home / 28,827,070.35-39,781,356.48-15,774,328.77

Finding the Fourth Proportional to 28,827,070.35, 39,781,356.48 and 15,774,328.77

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Solution

The fourth proportional to 28,827,070.35, 39,781,356.48 and 15,774,328.77 is: 21,768,573.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,827,070.35 : 39,781,356.48 = 15,774,328.77 : x
  2. Step 2: Convert to fraction form
    28,827,070.35/39,781,356.48 = 15,774,328.77/x
  3. Step 3: Cross multiply
    28,827,070.35x = 39,781,356.48 × 15,774,328.77
  4. Step 4: Simplify right side
    28,827,070.35x = 627,524,196,032,089.88
  5. Step 5: Solve for x
    x = 627,524,196,032,089.88/28,827,070.35
  6. Step 6: Final answer
    x = 21,768,573.37

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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.