Home / 30,362,556.30-45,564,829.65-21,849,002.70

Finding the Fourth Proportional to 30,362,556.30, 45,564,829.65 and 21,849,002.70

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Solution

The fourth proportional to 30,362,556.30, 45,564,829.65 and 21,849,002.70 is: 32,788,612.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,362,556.30 : 45,564,829.65 = 21,849,002.70 : x
  2. Step 2: Convert to fraction form
    30,362,556.30/45,564,829.65 = 21,849,002.70/x
  3. Step 3: Cross multiply
    30,362,556.30x = 45,564,829.65 × 21,849,002.70
  4. Step 4: Simplify right side
    30,362,556.30x = 995,546,086,047,890
  5. Step 5: Solve for x
    x = 995,546,086,047,890/30,362,556.30
  6. Step 6: Final answer
    x = 32,788,612.27

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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.