Home / 30,619,356.43-42,254,637.89-16,680,826.07

Finding the Fourth Proportional to 30,619,356.43, 42,254,637.89 and 16,680,826.07

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Solution

The fourth proportional to 30,619,356.43, 42,254,637.89 and 16,680,826.07 is: 23,019,499.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,619,356.43 : 42,254,637.89 = 16,680,826.07 : x
  2. Step 2: Convert to fraction form
    30,619,356.43/42,254,637.89 = 16,680,826.07/x
  3. Step 3: Cross multiply
    30,619,356.43x = 42,254,637.89 × 16,680,826.07
  4. Step 4: Simplify right side
    30,619,356.43x = 704,842,265,293,921.88
  5. Step 5: Solve for x
    x = 704,842,265,293,921.88/30,619,356.43
  6. Step 6: Final answer
    x = 23,019,499.67

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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.