Home / 30,127,193.40-41,580,071.92-18,373,280.84

Finding the Fourth Proportional to 30,127,193.40, 41,580,071.92 and 18,373,280.84

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Solution

The fourth proportional to 30,127,193.40, 41,580,071.92 and 18,373,280.84 is: 25,357,899.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,127,193.40 : 41,580,071.92 = 18,373,280.84 : x
  2. Step 2: Convert to fraction form
    30,127,193.40/41,580,071.92 = 18,373,280.84/x
  3. Step 3: Cross multiply
    30,127,193.40x = 41,580,071.92 × 18,373,280.84
  4. Step 4: Simplify right side
    30,127,193.40x = 763,962,338,733,558
  5. Step 5: Solve for x
    x = 763,962,338,733,558/30,127,193.40
  6. Step 6: Final answer
    x = 25,357,899.38

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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.