Home / 30,531,686.32-42,133,818.84-16,782,059.44

Finding the Fourth Proportional to 30,531,686.32, 42,133,818.84 and 16,782,059.44

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Solution

The fourth proportional to 30,531,686.32, 42,133,818.84 and 16,782,059.44 is: 23,159,292.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,531,686.32 : 42,133,818.84 = 16,782,059.44 : x
  2. Step 2: Convert to fraction form
    30,531,686.32/42,133,818.84 = 16,782,059.44/x
  3. Step 3: Cross multiply
    30,531,686.32x = 42,133,818.84 × 16,782,059.44
  4. Step 4: Simplify right side
    30,531,686.32x = 707,092,252,207,072
  5. Step 5: Solve for x
    x = 707,092,252,207,072/30,531,686.32
  6. Step 6: Final answer
    x = 23,159,292.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.