Home / 19,192,833.40-28,719,266.10-14,153,985.40

Finding the Fourth Proportional to 19,192,833.40, 28,719,266.10 and 14,153,985.40

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Solution

The fourth proportional to 19,192,833.40, 28,719,266.10 and 14,153,985.40 is: 21,179,367.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,192,833.40 : 28,719,266.10 = 14,153,985.40 : x
  2. Step 2: Convert to fraction form
    19,192,833.40/28,719,266.10 = 14,153,985.40/x
  3. Step 3: Cross multiply
    19,192,833.40x = 28,719,266.10 × 14,153,985.40
  4. Step 4: Simplify right side
    19,192,833.40x = 406,492,073,078,115
  5. Step 5: Solve for x
    x = 406,492,073,078,115/19,192,833.40
  6. Step 6: Final answer
    x = 21,179,367.56

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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.