Home / 28,037,826-38,692,199.88-15,160,770

Finding the Fourth Proportional to 28,037,826, 38,692,199.88 and 15,160,770

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Solution

The fourth proportional to 28,037,826, 38,692,199.88 and 15,160,770 is: 20,921,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,037,826 : 38,692,199.88 = 15,160,770 : x
  2. Step 2: Convert to fraction form
    28,037,826/38,692,199.88 = 15,160,770/x
  3. Step 3: Cross multiply
    28,037,826x = 38,692,199.88 × 15,160,770
  4. Step 4: Simplify right side
    28,037,826x = 586,603,543,174,707.62
  5. Step 5: Solve for x
    x = 586,603,543,174,707.62/28,037,826
  6. Step 6: Final answer
    x = 20,921,862.60

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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.