Home / 38,211,795.84-52,730,886.06-20,807,759.28

Finding the Fourth Proportional to 38,211,795.84, 52,730,886.06 and 20,807,759.28

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Solution

The fourth proportional to 38,211,795.84, 52,730,886.06 and 20,807,759.28 is: 28,713,949.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,211,795.84 : 52,730,886.06 = 20,807,759.28 : x
  2. Step 2: Convert to fraction form
    38,211,795.84/52,730,886.06 = 20,807,759.28/x
  3. Step 3: Cross multiply
    38,211,795.84x = 52,730,886.06 × 20,807,759.28
  4. Step 4: Simplify right side
    38,211,795.84x = 1,097,211,583,757,587.75
  5. Step 5: Solve for x
    x = 1,097,211,583,757,587.75/38,211,795.84
  6. Step 6: Final answer
    x = 28,713,949.70

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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.