Home / 28,135,455.46-38,826,094.63-15,577,069.81

Finding the Fourth Proportional to 28,135,455.46, 38,826,094.63 and 15,577,069.81

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Solution

The fourth proportional to 28,135,455.46, 38,826,094.63 and 15,577,069.81 is: 21,495,894.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,135,455.46 : 38,826,094.63 = 15,577,069.81 : x
  2. Step 2: Convert to fraction form
    28,135,455.46/38,826,094.63 = 15,577,069.81/x
  3. Step 3: Cross multiply
    28,135,455.46x = 38,826,094.63 × 15,577,069.81
  4. Step 4: Simplify right side
    28,135,455.46x = 604,796,786,501,176.12
  5. Step 5: Solve for x
    x = 604,796,786,501,176.12/28,135,455.46
  6. Step 6: Final answer
    x = 21,495,894.65

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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.