Home / 28,558,635.60-42,774,967.80-17,179,237.20

Finding the Fourth Proportional to 28,558,635.60, 42,774,967.80 and 17,179,237.20

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Solution

The fourth proportional to 28,558,635.60, 42,774,967.80 and 17,179,237.20 is: 25,730,967.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,558,635.60 : 42,774,967.80 = 17,179,237.20 : x
  2. Step 2: Convert to fraction form
    28,558,635.60/42,774,967.80 = 17,179,237.20/x
  3. Step 3: Cross multiply
    28,558,635.60x = 42,774,967.80 × 17,179,237.20
  4. Step 4: Simplify right side
    28,558,635.60x = 734,841,318,058,562.12
  5. Step 5: Solve for x
    x = 734,841,318,058,562.12/28,558,635.60
  6. Step 6: Final answer
    x = 25,730,967.28

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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.