Home / 28,031,460.30-42,047,190.45-10,992,689.10

Finding the Fourth Proportional to 28,031,460.30, 42,047,190.45 and 10,992,689.10

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Solution

The fourth proportional to 28,031,460.30, 42,047,190.45 and 10,992,689.10 is: 16,489,033.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,031,460.30 : 42,047,190.45 = 10,992,689.10 : x
  2. Step 2: Convert to fraction form
    28,031,460.30/42,047,190.45 = 10,992,689.10/x
  3. Step 3: Cross multiply
    28,031,460.30x = 42,047,190.45 × 10,992,689.10
  4. Step 4: Simplify right side
    28,031,460.30x = 462,211,692,145,339.12
  5. Step 5: Solve for x
    x = 462,211,692,145,339.12/28,031,460.30
  6. Step 6: Final answer
    x = 16,489,033.65

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Double scale
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Similar ratio
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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.