Home / 28,665,484.29-39,584,656.98-18,214,944.93

Finding the Fourth Proportional to 28,665,484.29, 39,584,656.98 and 18,214,944.93

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Solution

The fourth proportional to 28,665,484.29, 39,584,656.98 and 18,214,944.93 is: 25,153,328.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,665,484.29 : 39,584,656.98 = 18,214,944.93 : x
  2. Step 2: Convert to fraction form
    28,665,484.29/39,584,656.98 = 18,214,944.93/x
  3. Step 3: Cross multiply
    28,665,484.29x = 39,584,656.98 × 18,214,944.93
  4. Step 4: Simplify right side
    28,665,484.29x = 721,032,346,963,640
  5. Step 5: Solve for x
    x = 721,032,346,963,640/28,665,484.29
  6. Step 6: Final answer
    x = 25,153,328.64

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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.