Home / 19,321,869.60-28,982,804.40-18,377,085.60

Finding the Fourth Proportional to 19,321,869.60, 28,982,804.40 and 18,377,085.60

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Solution

The fourth proportional to 19,321,869.60, 28,982,804.40 and 18,377,085.60 is: 27,565,628.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,321,869.60 : 28,982,804.40 = 18,377,085.60 : x
  2. Step 2: Convert to fraction form
    19,321,869.60/28,982,804.40 = 18,377,085.60/x
  3. Step 3: Cross multiply
    19,321,869.60x = 28,982,804.40 × 18,377,085.60
  4. Step 4: Simplify right side
    19,321,869.60x = 532,619,477,386,856.62
  5. Step 5: Solve for x
    x = 532,619,477,386,856.62/19,321,869.60
  6. Step 6: Final answer
    x = 27,565,628.40

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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.