Home / 12,912,000.10-19,368,000.15-10,896,460.90

Finding the Fourth Proportional to 12,912,000.10, 19,368,000.15 and 10,896,460.90

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Solution

The fourth proportional to 12,912,000.10, 19,368,000.15 and 10,896,460.90 is: 16,344,691.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,912,000.10 : 19,368,000.15 = 10,896,460.90 : x
  2. Step 2: Convert to fraction form
    12,912,000.10/19,368,000.15 = 10,896,460.90/x
  3. Step 3: Cross multiply
    12,912,000.10x = 19,368,000.15 × 10,896,460.90
  4. Step 4: Simplify right side
    12,912,000.10x = 211,042,656,345,669.12
  5. Step 5: Solve for x
    x = 211,042,656,345,669.12/12,912,000.10
  6. Step 6: Final answer
    x = 16,344,691.35

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Similar ratio
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1.5x scale

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.