Home / 30,674,661.20-45,956,004.60-18,693,400.40

Finding the Fourth Proportional to 30,674,661.20, 45,956,004.60 and 18,693,400.40

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Solution

The fourth proportional to 30,674,661.20, 45,956,004.60 and 18,693,400.40 is: 28,005,981.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,674,661.20 : 45,956,004.60 = 18,693,400.40 : x
  2. Step 2: Convert to fraction form
    30,674,661.20/45,956,004.60 = 18,693,400.40/x
  3. Step 3: Cross multiply
    30,674,661.20x = 45,956,004.60 × 18,693,400.40
  4. Step 4: Simplify right side
    30,674,661.20x = 859,073,994,772,041.75
  5. Step 5: Solve for x
    x = 859,073,994,772,041.75/30,674,661.20
  6. Step 6: Final answer
    x = 28,005,981.52

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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.