Home / 27,946,483.84-38,565,875.52-15,556,380.80

Finding the Fourth Proportional to 27,946,483.84, 38,565,875.52 and 15,556,380.80

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Solution

The fourth proportional to 27,946,483.84, 38,565,875.52 and 15,556,380.80 is: 21,467,654.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,946,483.84 : 38,565,875.52 = 15,556,380.80 : x
  2. Step 2: Convert to fraction form
    27,946,483.84/38,565,875.52 = 15,556,380.80/x
  3. Step 3: Cross multiply
    27,946,483.84x = 38,565,875.52 × 15,556,380.80
  4. Step 4: Simplify right side
    27,946,483.84x = 599,945,445,474,518.12
  5. Step 5: Solve for x
    x = 599,945,445,474,518.12/27,946,483.84
  6. Step 6: Final answer
    x = 21,467,654.00

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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.