Home / 30,139,429.54-45,182,227.81-10,956,673

Finding the Fourth Proportional to 30,139,429.54, 45,182,227.81 and 10,956,673

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Solution

The fourth proportional to 30,139,429.54, 45,182,227.81 and 10,956,673 is: 16,425,224.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,139,429.54 : 45,182,227.81 = 10,956,673 : x
  2. Step 2: Convert to fraction form
    30,139,429.54/45,182,227.81 = 10,956,673/x
  3. Step 3: Cross multiply
    30,139,429.54x = 45,182,227.81 × 10,956,673
  4. Step 4: Simplify right side
    30,139,429.54x = 495,046,895,525,676.12
  5. Step 5: Solve for x
    x = 495,046,895,525,676.12/30,139,429.54
  6. Step 6: Final answer
    x = 16,425,224.47

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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.