Home / 28,510,066.16-39,344,721.40-16,119,893.60

Finding the Fourth Proportional to 28,510,066.16, 39,344,721.40 and 16,119,893.60

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Solution

The fourth proportional to 28,510,066.16, 39,344,721.40 and 16,119,893.60 is: 22,245,922.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,510,066.16 : 39,344,721.40 = 16,119,893.60 : x
  2. Step 2: Convert to fraction form
    28,510,066.16/39,344,721.40 = 16,119,893.60/x
  3. Step 3: Cross multiply
    28,510,066.16x = 39,344,721.40 × 16,119,893.60
  4. Step 4: Simplify right side
    28,510,066.16x = 634,232,722,689,643
  5. Step 5: Solve for x
    x = 634,232,722,689,643/28,510,066.16
  6. Step 6: Final answer
    x = 22,245,922.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.