Home / 30,512,849.45-42,108,185.14-16,574,476.37

Finding the Fourth Proportional to 30,512,849.45, 42,108,185.14 and 16,574,476.37

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Solution

The fourth proportional to 30,512,849.45, 42,108,185.14 and 16,574,476.37 is: 22,873,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,512,849.45 : 42,108,185.14 = 16,574,476.37 : x
  2. Step 2: Convert to fraction form
    30,512,849.45/42,108,185.14 = 16,574,476.37/x
  3. Step 3: Cross multiply
    30,512,849.45x = 42,108,185.14 × 16,574,476.37
  4. Step 4: Simplify right side
    30,512,849.45x = 697,921,119,334,538.12
  5. Step 5: Solve for x
    x = 697,921,119,334,538.12/30,512,849.45
  6. Step 6: Final answer
    x = 22,873,023.40

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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.