Home / 7,348,555.89-10,140,432.85-4,085,172

Finding the Fourth Proportional to 7,348,555.89, 10,140,432.85 and 4,085,172

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Solution

The fourth proportional to 7,348,555.89, 10,140,432.85 and 4,085,172 is: 5,637,218.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,348,555.89 : 10,140,432.85 = 4,085,172 : x
  2. Step 2: Convert to fraction form
    7,348,555.89/10,140,432.85 = 4,085,172/x
  3. Step 3: Cross multiply
    7,348,555.89x = 10,140,432.85 × 4,085,172
  4. Step 4: Simplify right side
    7,348,555.89x = 41,425,412,346,700.20
  5. Step 5: Solve for x
    x = 41,425,412,346,700.20/7,348,555.89
  6. Step 6: Final answer
    x = 5,637,218.11

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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.