Home / 10,215,070.60-14,097,432.18-5,631,383.56

Finding the Fourth Proportional to 10,215,070.60, 14,097,432.18 and 5,631,383.56

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Solution

The fourth proportional to 10,215,070.60, 14,097,432.18 and 5,631,383.56 is: 7,771,659.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,215,070.60 : 14,097,432.18 = 5,631,383.56 : x
  2. Step 2: Convert to fraction form
    10,215,070.60/14,097,432.18 = 5,631,383.56/x
  3. Step 3: Cross multiply
    10,215,070.60x = 14,097,432.18 × 5,631,383.56
  4. Step 4: Simplify right side
    10,215,070.60x = 79,388,047,816,666.95
  5. Step 5: Solve for x
    x = 79,388,047,816,666.95/10,215,070.60
  6. Step 6: Final answer
    x = 7,771,659.24

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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.