Home / 28,243,871.70-42,365,807.55-13,894,964.70

Finding the Fourth Proportional to 28,243,871.70, 42,365,807.55 and 13,894,964.70

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Solution

The fourth proportional to 28,243,871.70, 42,365,807.55 and 13,894,964.70 is: 20,842,447.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,243,871.70 : 42,365,807.55 = 13,894,964.70 : x
  2. Step 2: Convert to fraction form
    28,243,871.70/42,365,807.55 = 13,894,964.70/x
  3. Step 3: Cross multiply
    28,243,871.70x = 42,365,807.55 × 13,894,964.70
  4. Step 4: Simplify right side
    28,243,871.70x = 588,671,400,394,243.38
  5. Step 5: Solve for x
    x = 588,671,400,394,243.38/28,243,871.70
  6. Step 6: Final answer
    x = 20,842,447.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.