Home / 19,585,763.60-29,378,645.40-5,208,803.60

Finding the Fourth Proportional to 19,585,763.60, 29,378,645.40 and 5,208,803.60

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Solution

The fourth proportional to 19,585,763.60, 29,378,645.40 and 5,208,803.60 is: 7,813,205.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,585,763.60 : 29,378,645.40 = 5,208,803.60 : x
  2. Step 2: Convert to fraction form
    19,585,763.60/29,378,645.40 = 5,208,803.60/x
  3. Step 3: Cross multiply
    19,585,763.60x = 29,378,645.40 × 5,208,803.60
  4. Step 4: Simplify right side
    19,585,763.60x = 153,027,593,922,643.41
  5. Step 5: Solve for x
    x = 153,027,593,922,643.41/19,585,763.60
  6. Step 6: Final answer
    x = 7,813,205.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.