Home / 30,631,541.79-42,271,536.48-16,692,900.73

Finding the Fourth Proportional to 30,631,541.79, 42,271,536.48 and 16,692,900.73

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Solution

The fourth proportional to 30,631,541.79, 42,271,536.48 and 16,692,900.73 is: 23,036,207.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,631,541.79 : 42,271,536.48 = 16,692,900.73 : x
  2. Step 2: Convert to fraction form
    30,631,541.79/42,271,536.48 = 16,692,900.73/x
  3. Step 3: Cross multiply
    30,631,541.79x = 42,271,536.48 × 16,692,900.73
  4. Step 4: Simplify right side
    30,631,541.79x = 705,634,561,996,936.38
  5. Step 5: Solve for x
    x = 705,634,561,996,936.38/30,631,541.79
  6. Step 6: Final answer
    x = 23,036,207.80

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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.