Home / 19,928,355.70-29,892,533.55-13,125,910.90

Finding the Fourth Proportional to 19,928,355.70, 29,892,533.55 and 13,125,910.90

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Solution

The fourth proportional to 19,928,355.70, 29,892,533.55 and 13,125,910.90 is: 19,688,866.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928,355.70 : 29,892,533.55 = 13,125,910.90 : x
  2. Step 2: Convert to fraction form
    19,928,355.70/29,892,533.55 = 13,125,910.90/x
  3. Step 3: Cross multiply
    19,928,355.70x = 29,892,533.55 × 13,125,910.90
  4. Step 4: Simplify right side
    19,928,355.70x = 392,366,731,952,560.69
  5. Step 5: Solve for x
    x = 392,366,731,952,560.69/19,928,355.70
  6. Step 6: Final answer
    x = 19,688,866.35

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1.5x scale

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.