Home / 17,961,721.60-26,942,582.40-8,868,175.60

Finding the Fourth Proportional to 17,961,721.60, 26,942,582.40 and 8,868,175.60

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Solution

The fourth proportional to 17,961,721.60, 26,942,582.40 and 8,868,175.60 is: 13,302,263.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,961,721.60 : 26,942,582.40 = 8,868,175.60 : x
  2. Step 2: Convert to fraction form
    17,961,721.60/26,942,582.40 = 8,868,175.60/x
  3. Step 3: Cross multiply
    17,961,721.60x = 26,942,582.40 × 8,868,175.60
  4. Step 4: Simplify right side
    17,961,721.60x = 238,931,551,840,669.41
  5. Step 5: Solve for x
    x = 238,931,551,840,669.41/17,961,721.60
  6. Step 6: Final answer
    x = 13,302,263.40

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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.