Home / 30,036,172.13-45,027,538.52-10,862,666.58

Finding the Fourth Proportional to 30,036,172.13, 45,027,538.52 and 10,862,666.58

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Solution

The fourth proportional to 30,036,172.13, 45,027,538.52 and 10,862,666.58 is: 16,284,336.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,036,172.13 : 45,027,538.52 = 10,862,666.58 : x
  2. Step 2: Convert to fraction form
    30,036,172.13/45,027,538.52 = 10,862,666.58/x
  3. Step 3: Cross multiply
    30,036,172.13x = 45,027,538.52 × 10,862,666.58
  4. Step 4: Simplify right side
    30,036,172.13x = 489,119,137,806,553.31
  5. Step 5: Solve for x
    x = 489,119,137,806,553.31/30,036,172.13
  6. Step 6: Final answer
    x = 16,284,336.62

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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.