Home / 30,427,931.33-45,644,006.77-12,232,133.72

Finding the Fourth Proportional to 30,427,931.33, 45,644,006.77 and 12,232,133.72

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Solution

The fourth proportional to 30,427,931.33, 45,644,006.77 and 12,232,133.72 is: 18,349,048.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,427,931.33 : 45,644,006.77 = 12,232,133.72 : x
  2. Step 2: Convert to fraction form
    30,427,931.33/45,644,006.77 = 12,232,133.72/x
  3. Step 3: Cross multiply
    30,427,931.33x = 45,644,006.77 × 12,232,133.72
  4. Step 4: Simplify right side
    30,427,931.33x = 558,323,594,068,424.88
  5. Step 5: Solve for x
    x = 558,323,594,068,424.88/30,427,931.33
  6. Step 6: Final answer
    x = 18,349,048.71

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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.