Home / 38,582,835.98-53,242,887.91-20,941,359.76

Finding the Fourth Proportional to 38,582,835.98, 53,242,887.91 and 20,941,359.76

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Solution

The fourth proportional to 38,582,835.98, 53,242,887.91 and 20,941,359.76 is: 28,898,302.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,582,835.98 : 53,242,887.91 = 20,941,359.76 : x
  2. Step 2: Convert to fraction form
    38,582,835.98/53,242,887.91 = 20,941,359.76/x
  3. Step 3: Cross multiply
    38,582,835.98x = 53,242,887.91 × 20,941,359.76
  4. Step 4: Simplify right side
    38,582,835.98x = 1,114,978,470,013,743.25
  5. Step 5: Solve for x
    x = 1,114,978,470,013,743.25/38,582,835.98
  6. Step 6: Final answer
    x = 28,898,302.62

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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.