Home / 42,788,264.36-64,185,081.35-12,085,247.77

Finding the Fourth Proportional to 42,788,264.36, 64,185,081.35 and 12,085,247.77

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Solution

The fourth proportional to 42,788,264.36, 64,185,081.35 and 12,085,247.77 is: 18,128,629.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,788,264.36 : 64,185,081.35 = 12,085,247.77 : x
  2. Step 2: Convert to fraction form
    42,788,264.36/64,185,081.35 = 12,085,247.77/x
  3. Step 3: Cross multiply
    42,788,264.36x = 64,185,081.35 × 12,085,247.77
  4. Step 4: Simplify right side
    42,788,264.36x = 775,692,611,031,467.12
  5. Step 5: Solve for x
    x = 775,692,611,031,467.12/42,788,264.36
  6. Step 6: Final answer
    x = 18,128,629.96

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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.