Home / 18,829,345.48-28,254,914.98-7,898,556.20

Finding the Fourth Proportional to 18,829,345.48, 28,254,914.98 and 7,898,556.20

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Solution

The fourth proportional to 18,829,345.48, 28,254,914.98 and 7,898,556.20 is: 11,852,405.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,829,345.48 : 28,254,914.98 = 7,898,556.20 : x
  2. Step 2: Convert to fraction form
    18,829,345.48/28,254,914.98 = 7,898,556.20/x
  3. Step 3: Cross multiply
    18,829,345.48x = 28,254,914.98 × 7,898,556.20
  4. Step 4: Simplify right side
    18,829,345.48x = 223,173,033,734,730.91
  5. Step 5: Solve for x
    x = 223,173,033,734,730.91/18,829,345.48
  6. Step 6: Final answer
    x = 11,852,405.28

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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.