Home / 7,128,340.80-10,688,973.68-2,270,014.16

Finding the Fourth Proportional to 7,128,340.80, 10,688,973.68 and 2,270,014.16

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Solution

The fourth proportional to 7,128,340.80, 10,688,973.68 and 2,270,014.16 is: 3,403,894.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,340.80 : 10,688,973.68 = 2,270,014.16 : x
  2. Step 2: Convert to fraction form
    7,128,340.80/10,688,973.68 = 2,270,014.16/x
  3. Step 3: Cross multiply
    7,128,340.80x = 10,688,973.68 × 2,270,014.16
  4. Step 4: Simplify right side
    7,128,340.80x = 24,264,121,609,467.31
  5. Step 5: Solve for x
    x = 24,264,121,609,467.31/7,128,340.80
  6. Step 6: Final answer
    x = 3,403,894.72

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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.