Home / 34,988,465.79-48,293,686.43-20,308,861.38

Finding the Fourth Proportional to 34,988,465.79, 48,293,686.43 and 20,308,861.38

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Solution

The fourth proportional to 34,988,465.79, 48,293,686.43 and 20,308,861.38 is: 28,031,803.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,988,465.79 : 48,293,686.43 = 20,308,861.38 : x
  2. Step 2: Convert to fraction form
    34,988,465.79/48,293,686.43 = 20,308,861.38/x
  3. Step 3: Cross multiply
    34,988,465.79x = 48,293,686.43 × 20,308,861.38
  4. Step 4: Simplify right side
    34,988,465.79x = 980,789,783,236,057
  5. Step 5: Solve for x
    x = 980,789,783,236,057/34,988,465.79
  6. Step 6: Final answer
    x = 28,031,803.08

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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.