Home / 28,570,022.01-39,426,742.98-15,517,498.77

Finding the Fourth Proportional to 28,570,022.01, 39,426,742.98 and 15,517,498.77

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Solution

The fourth proportional to 28,570,022.01, 39,426,742.98 and 15,517,498.77 is: 21,414,209.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,570,022.01 : 39,426,742.98 = 15,517,498.77 : x
  2. Step 2: Convert to fraction form
    28,570,022.01/39,426,742.98 = 15,517,498.77/x
  3. Step 3: Cross multiply
    28,570,022.01x = 39,426,742.98 × 15,517,498.77
  4. Step 4: Simplify right side
    28,570,022.01x = 611,804,435,697,256.12
  5. Step 5: Solve for x
    x = 611,804,435,697,256.12/28,570,022.01
  6. Step 6: Final answer
    x = 21,414,209.46

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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.