Home / 28,611,712.10-42,920,192.55-9,442,511.30

Finding the Fourth Proportional to 28,611,712.10, 42,920,192.55 and 9,442,511.30

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Solution

The fourth proportional to 28,611,712.10, 42,920,192.55 and 9,442,511.30 is: 14,164,633.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,611,712.10 : 42,920,192.55 = 9,442,511.30 : x
  2. Step 2: Convert to fraction form
    28,611,712.10/42,920,192.55 = 9,442,511.30/x
  3. Step 3: Cross multiply
    28,611,712.10x = 42,920,192.55 × 9,442,511.30
  4. Step 4: Simplify right side
    28,611,712.10x = 405,274,403,151,550.81
  5. Step 5: Solve for x
    x = 405,274,403,151,550.81/28,611,712.10
  6. Step 6: Final answer
    x = 14,164,633.06

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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.