Home / 28,973,708.36-39,985,941.44-16,587,686.65

Finding the Fourth Proportional to 28,973,708.36, 39,985,941.44 and 16,587,686.65

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Solution

The fourth proportional to 28,973,708.36, 39,985,941.44 and 16,587,686.65 is: 22,892,280.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,973,708.36 : 39,985,941.44 = 16,587,686.65 : x
  2. Step 2: Convert to fraction form
    28,973,708.36/39,985,941.44 = 16,587,686.65/x
  3. Step 3: Cross multiply
    28,973,708.36x = 39,985,941.44 × 16,587,686.65
  4. Step 4: Simplify right side
    28,973,708.36x = 663,274,266,729,101.62
  5. Step 5: Solve for x
    x = 663,274,266,729,101.62/28,973,708.36
  6. Step 6: Final answer
    x = 22,892,280.77

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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.