Home / 28,564,518.30-39,418,912-15,511,669.62

Finding the Fourth Proportional to 28,564,518.30, 39,418,912 and 15,511,669.62

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Solution

The fourth proportional to 28,564,518.30, 39,418,912 and 15,511,669.62 is: 21,406,037.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,564,518.30 : 39,418,912 = 15,511,669.62 : x
  2. Step 2: Convert to fraction form
    28,564,518.30/39,418,912 = 15,511,669.62/x
  3. Step 3: Cross multiply
    28,564,518.30x = 39,418,912 × 15,511,669.62
  4. Step 4: Simplify right side
    28,564,518.30x = 611,453,139,723,853.38
  5. Step 5: Solve for x
    x = 611,453,139,723,853.38/28,564,518.30
  6. Step 6: Final answer
    x = 21,406,037.14

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1.5x scale

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.