Home / 19,461,154.90-29,191,732.35-12,294,793.30

Finding the Fourth Proportional to 19,461,154.90, 29,191,732.35 and 12,294,793.30

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Solution

The fourth proportional to 19,461,154.90, 29,191,732.35 and 12,294,793.30 is: 18,442,189.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,461,154.90 : 29,191,732.35 = 12,294,793.30 : x
  2. Step 2: Convert to fraction form
    19,461,154.90/29,191,732.35 = 12,294,793.30/x
  3. Step 3: Cross multiply
    19,461,154.90x = 29,191,732.35 × 12,294,793.30
  4. Step 4: Simplify right side
    19,461,154.90x = 358,906,315,312,173.31
  5. Step 5: Solve for x
    x = 358,906,315,312,173.31/19,461,154.90
  6. Step 6: Final answer
    x = 18,442,189.95

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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.