Home / 28,488,955.61-39,309,582.21-15,930,236.90

Finding the Fourth Proportional to 28,488,955.61, 39,309,582.21 and 15,930,236.90

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Solution

The fourth proportional to 28,488,955.61, 39,309,582.21 and 15,930,236.90 is: 21,980,832.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,488,955.61 : 39,309,582.21 = 15,930,236.90 : x
  2. Step 2: Convert to fraction form
    28,488,955.61/39,309,582.21 = 15,930,236.90/x
  3. Step 3: Cross multiply
    28,488,955.61x = 39,309,582.21 × 15,930,236.90
  4. Step 4: Simplify right side
    28,488,955.61x = 626,210,957,045,325.62
  5. Step 5: Solve for x
    x = 626,210,957,045,325.62/28,488,955.61
  6. Step 6: Final answer
    x = 21,980,832.35

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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.