Home / 30,470,276.12-42,049,707.72-17,418,749.48

Finding the Fourth Proportional to 30,470,276.12, 42,049,707.72 and 17,418,749.48

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Solution

The fourth proportional to 30,470,276.12, 42,049,707.72 and 17,418,749.48 is: 24,038,289.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,470,276.12 : 42,049,707.72 = 17,418,749.48 : x
  2. Step 2: Convert to fraction form
    30,470,276.12/42,049,707.72 = 17,418,749.48/x
  3. Step 3: Cross multiply
    30,470,276.12x = 42,049,707.72 × 17,418,749.48
  4. Step 4: Simplify right side
    30,470,276.12x = 732,453,324,481,902
  5. Step 5: Solve for x
    x = 732,453,324,481,902/30,470,276.12
  6. Step 6: Final answer
    x = 24,038,289.70

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1.5x scale

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.