Home / 7,420,347.54-11,116,025.55-5,114,430.90

Finding the Fourth Proportional to 7,420,347.54, 11,116,025.55 and 5,114,430.90

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Solution

The fourth proportional to 7,420,347.54, 11,116,025.55 and 5,114,430.90 is: 7,661,655.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420,347.54 : 11,116,025.55 = 5,114,430.90 : x
  2. Step 2: Convert to fraction form
    7,420,347.54/11,116,025.55 = 5,114,430.90/x
  3. Step 3: Cross multiply
    7,420,347.54x = 11,116,025.55 × 5,114,430.90
  4. Step 4: Simplify right side
    7,420,347.54x = 56,852,144,558,109.50
  5. Step 5: Solve for x
    x = 56,852,144,558,109.50/7,420,347.54
  6. Step 6: Final answer
    x = 7,661,655.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.