Home / 30,253,437.30-45,380,155.95-9,783,117.30

Finding the Fourth Proportional to 30,253,437.30, 45,380,155.95 and 9,783,117.30

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Solution

The fourth proportional to 30,253,437.30, 45,380,155.95 and 9,783,117.30 is: 14,674,675.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,253,437.30 : 45,380,155.95 = 9,783,117.30 : x
  2. Step 2: Convert to fraction form
    30,253,437.30/45,380,155.95 = 9,783,117.30/x
  3. Step 3: Cross multiply
    30,253,437.30x = 45,380,155.95 × 9,783,117.30
  4. Step 4: Simplify right side
    30,253,437.30x = 443,959,388,751,143
  5. Step 5: Solve for x
    x = 443,959,388,751,143/30,253,437.30
  6. Step 6: Final answer
    x = 14,674,675.95

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Double scale
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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.