Home / 37,912,996-52,319,776.96-20,509,298.36

Finding the Fourth Proportional to 37,912,996, 52,319,776.96 and 20,509,298.36

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Solution

The fourth proportional to 37,912,996, 52,319,776.96 and 20,509,298.36 is: 28,302,746.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,912,996 : 52,319,776.96 = 20,509,298.36 : x
  2. Step 2: Convert to fraction form
    37,912,996/52,319,776.96 = 20,509,298.36/x
  3. Step 3: Cross multiply
    37,912,996x = 52,319,776.96 × 20,509,298.36
  4. Step 4: Simplify right side
    37,912,996x = 1,073,041,915,801,293.75
  5. Step 5: Solve for x
    x = 1,073,041,915,801,293.75/37,912,996
  6. Step 6: Final answer
    x = 28,302,746.53

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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.