Home / 13,126,347.79-18,114,363.23-7,245,985.39

Finding the Fourth Proportional to 13,126,347.79, 18,114,363.23 and 7,245,985.39

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Solution

The fourth proportional to 13,126,347.79, 18,114,363.23 and 7,245,985.39 is: 9,999,461.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126,347.79 : 18,114,363.23 = 7,245,985.39 : x
  2. Step 2: Convert to fraction form
    13,126,347.79/18,114,363.23 = 7,245,985.39/x
  3. Step 3: Cross multiply
    13,126,347.79x = 18,114,363.23 × 7,245,985.39
  4. Step 4: Simplify right side
    13,126,347.79x = 131,256,411,313,733.20
  5. Step 5: Solve for x
    x = 131,256,411,313,733.20/13,126,347.79
  6. Step 6: Final answer
    x = 9,999,461.65

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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.