Home / 30,183,460.80-45,271,108.80-12,001,034.40

Finding the Fourth Proportional to 30,183,460.80, 45,271,108.80 and 12,001,034.40

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Solution

The fourth proportional to 30,183,460.80, 45,271,108.80 and 12,001,034.40 is: 17,999,928.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,183,460.80 : 45,271,108.80 = 12,001,034.40 : x
  2. Step 2: Convert to fraction form
    30,183,460.80/45,271,108.80 = 12,001,034.40/x
  3. Step 3: Cross multiply
    30,183,460.80x = 45,271,108.80 × 12,001,034.40
  4. Step 4: Simplify right side
    30,183,460.80x = 543,300,134,034,942.69
  5. Step 5: Solve for x
    x = 543,300,134,034,942.69/30,183,460.80
  6. Step 6: Final answer
    x = 17,999,928.43

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1.5x scale

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.