Home / 34,248,978.84-47,270,457.09-20,318,066.49

Finding the Fourth Proportional to 34,248,978.84, 47,270,457.09 and 20,318,066.49

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Solution

The fourth proportional to 34,248,978.84, 47,270,457.09 and 20,318,066.49 is: 28,043,005.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,248,978.84 : 47,270,457.09 = 20,318,066.49 : x
  2. Step 2: Convert to fraction form
    34,248,978.84/47,270,457.09 = 20,318,066.49/x
  3. Step 3: Cross multiply
    34,248,978.84x = 47,270,457.09 × 20,318,066.49
  4. Step 4: Simplify right side
    34,248,978.84x = 960,444,290,344,576.12
  5. Step 5: Solve for x
    x = 960,444,290,344,576.12/34,248,978.84
  6. Step 6: Final answer
    x = 28,043,005.16

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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.