Home / 19,986,823.10-29,980,234.65-18,551,932.40

Finding the Fourth Proportional to 19,986,823.10, 29,980,234.65 and 18,551,932.40

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Solution

The fourth proportional to 19,986,823.10, 29,980,234.65 and 18,551,932.40 is: 27,827,898.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,986,823.10 : 29,980,234.65 = 18,551,932.40 : x
  2. Step 2: Convert to fraction form
    19,986,823.10/29,980,234.65 = 18,551,932.40/x
  3. Step 3: Cross multiply
    19,986,823.10x = 29,980,234.65 × 18,551,932.40
  4. Step 4: Simplify right side
    19,986,823.10x = 556,191,286,562,937.56
  5. Step 5: Solve for x
    x = 556,191,286,562,937.56/19,986,823.10
  6. Step 6: Final answer
    x = 27,827,898.60

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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.