Home / 13,126,348.17-18,114,363.76-7,245,985.77

Finding the Fourth Proportional to 13,126,348.17, 18,114,363.76 and 7,245,985.77

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Solution

The fourth proportional to 13,126,348.17, 18,114,363.76 and 7,245,985.77 is: 9,999,462.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126,348.17 : 18,114,363.76 = 7,245,985.77 : x
  2. Step 2: Convert to fraction form
    13,126,348.17/18,114,363.76 = 7,245,985.77/x
  3. Step 3: Cross multiply
    13,126,348.17x = 18,114,363.76 × 7,245,985.77
  4. Step 4: Simplify right side
    13,126,348.17x = 131,256,422,037,563.70
  5. Step 5: Solve for x
    x = 131,256,422,037,563.70/13,126,348.17
  6. Step 6: Final answer
    x = 9,999,462.18

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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.