Home / 30,588,427.26-42,213,143.40-16,649,108.58

Finding the Fourth Proportional to 30,588,427.26, 42,213,143.40 and 16,649,108.58

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Solution

The fourth proportional to 30,588,427.26, 42,213,143.40 and 16,649,108.58 is: 22,976,376.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,588,427.26 : 42,213,143.40 = 16,649,108.58 : x
  2. Step 2: Convert to fraction form
    30,588,427.26/42,213,143.40 = 16,649,108.58/x
  3. Step 3: Cross multiply
    30,588,427.26x = 42,213,143.40 × 16,649,108.58
  4. Step 4: Simplify right side
    30,588,427.26x = 702,811,207,969,710.38
  5. Step 5: Solve for x
    x = 702,811,207,969,710.38/30,588,427.26
  6. Step 6: Final answer
    x = 22,976,376.07

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Double scale
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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.