Home / 19,288,235.40-28,965,530.70-13,648,043.40

Finding the Fourth Proportional to 19,288,235.40, 28,965,530.70 and 13,648,043.40

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Solution

The fourth proportional to 19,288,235.40, 28,965,530.70 and 13,648,043.40 is: 20,495,541.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288,235.40 : 28,965,530.70 = 13,648,043.40 : x
  2. Step 2: Convert to fraction form
    19,288,235.40/28,965,530.70 = 13,648,043.40/x
  3. Step 3: Cross multiply
    19,288,235.40x = 28,965,530.70 × 13,648,043.40
  4. Step 4: Simplify right side
    19,288,235.40x = 395,322,820,097,632.38
  5. Step 5: Solve for x
    x = 395,322,820,097,632.38/19,288,235.40
  6. Step 6: Final answer
    x = 20,495,541.03

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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.