Home / 19,315,372.80-28,973,059.20-19,031,937.60

Finding the Fourth Proportional to 19,315,372.80, 28,973,059.20 and 19,031,937.60

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Solution

The fourth proportional to 19,315,372.80, 28,973,059.20 and 19,031,937.60 is: 28,547,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315,372.80 : 28,973,059.20 = 19,031,937.60 : x
  2. Step 2: Convert to fraction form
    19,315,372.80/28,973,059.20 = 19,031,937.60/x
  3. Step 3: Cross multiply
    19,315,372.80x = 28,973,059.20 × 19,031,937.60
  4. Step 4: Simplify right side
    19,315,372.80x = 551,413,454,775,505.94
  5. Step 5: Solve for x
    x = 551,413,454,775,505.94/19,315,372.80
  6. Step 6: Final answer
    x = 28,547,906.40

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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.