Home / 18,794,558.40-28,191,837.60-13,125,854.40

Finding the Fourth Proportional to 18,794,558.40, 28,191,837.60 and 13,125,854.40

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Solution

The fourth proportional to 18,794,558.40, 28,191,837.60 and 13,125,854.40 is: 19,688,781.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,794,558.40 : 28,191,837.60 = 13,125,854.40 : x
  2. Step 2: Convert to fraction form
    18,794,558.40/28,191,837.60 = 13,125,854.40/x
  3. Step 3: Cross multiply
    18,794,558.40x = 28,191,837.60 × 13,125,854.40
  4. Step 4: Simplify right side
    18,794,558.40x = 370,041,955,606,045.50
  5. Step 5: Solve for x
    x = 370,041,955,606,045.50/18,794,558.40
  6. Step 6: Final answer
    x = 19,688,781.60

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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.