Home / 7,128,341.80-10,688,975.18-2,270,015.16

Finding the Fourth Proportional to 7,128,341.80, 10,688,975.18 and 2,270,015.16

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Solution

The fourth proportional to 7,128,341.80, 10,688,975.18 and 2,270,015.16 is: 3,403,896.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,341.80 : 10,688,975.18 = 2,270,015.16 : x
  2. Step 2: Convert to fraction form
    7,128,341.80/10,688,975.18 = 2,270,015.16/x
  3. Step 3: Cross multiply
    7,128,341.80x = 10,688,975.18 × 2,270,015.16
  4. Step 4: Simplify right side
    7,128,341.80x = 24,264,135,703,463.73
  5. Step 5: Solve for x
    x = 24,264,135,703,463.73/7,128,341.80
  6. Step 6: Final answer
    x = 3,403,896.22

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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.