Home / 20,745,856.76-28,602,667.70-17,010,927.32

Finding the Fourth Proportional to 20,745,856.76, 28,602,667.70 and 17,010,927.32

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Solution

The fourth proportional to 20,745,856.76, 28,602,667.70 and 17,010,927.32 is: 23,453,256.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,745,856.76 : 28,602,667.70 = 17,010,927.32 : x
  2. Step 2: Convert to fraction form
    20,745,856.76/28,602,667.70 = 17,010,927.32/x
  3. Step 3: Cross multiply
    20,745,856.76x = 28,602,667.70 × 17,010,927.32
  4. Step 4: Simplify right side
    20,745,856.76x = 486,557,901,575,570.31
  5. Step 5: Solve for x
    x = 486,557,901,575,570.31/20,745,856.76
  6. Step 6: Final answer
    x = 23,453,256.58

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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.