Home / 28,060,852.41-42,113,948.94-11,898,152.86

Finding the Fourth Proportional to 28,060,852.41, 42,113,948.94 and 11,898,152.86

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Solution

The fourth proportional to 28,060,852.41, 42,113,948.94 and 11,898,152.86 is: 17,856,841.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,060,852.41 : 42,113,948.94 = 11,898,152.86 : x
  2. Step 2: Convert to fraction form
    28,060,852.41/42,113,948.94 = 11,898,152.86/x
  3. Step 3: Cross multiply
    28,060,852.41x = 42,113,948.94 × 11,898,152.86
  4. Step 4: Simplify right side
    28,060,852.41x = 501,078,202,026,354.94
  5. Step 5: Solve for x
    x = 501,078,202,026,354.94/28,060,852.41
  6. Step 6: Final answer
    x = 17,856,841.79

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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.