Home / 30,139,428.54-45,182,226.32-10,956,672

Finding the Fourth Proportional to 30,139,428.54, 45,182,226.32 and 10,956,672

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Solution

The fourth proportional to 30,139,428.54, 45,182,226.32 and 10,956,672 is: 16,425,222.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,139,428.54 : 45,182,226.32 = 10,956,672 : x
  2. Step 2: Convert to fraction form
    30,139,428.54/45,182,226.32 = 10,956,672/x
  3. Step 3: Cross multiply
    30,139,428.54x = 45,182,226.32 × 10,956,672
  4. Step 4: Simplify right side
    30,139,428.54x = 495,046,833,963,223.62
  5. Step 5: Solve for x
    x = 495,046,833,963,223.62/30,139,428.54
  6. Step 6: Final answer
    x = 16,425,222.97

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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.