Home / 34,319,091.69-47,360,184.79-18,638,006.44

Finding the Fourth Proportional to 34,319,091.69, 47,360,184.79 and 18,638,006.44

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Solution

The fourth proportional to 34,319,091.69, 47,360,184.79 and 18,638,006.44 is: 25,720,361.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,319,091.69 : 47,360,184.79 = 18,638,006.44 : x
  2. Step 2: Convert to fraction form
    34,319,091.69/47,360,184.79 = 18,638,006.44/x
  3. Step 3: Cross multiply
    34,319,091.69x = 47,360,184.79 × 18,638,006.44
  4. Step 4: Simplify right side
    34,319,091.69x = 882,699,429,069,015.12
  5. Step 5: Solve for x
    x = 882,699,429,069,015.12/34,319,091.69
  6. Step 6: Final answer
    x = 25,720,361.05

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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.