Home / 10,440,771.56-15,659,290.86-6,642,973.16

Finding the Fourth Proportional to 10,440,771.56, 15,659,290.86 and 6,642,973.16

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Solution

The fourth proportional to 10,440,771.56, 15,659,290.86 and 6,642,973.16 is: 9,963,272.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440,771.56 : 15,659,290.86 = 6,642,973.16 : x
  2. Step 2: Convert to fraction form
    10,440,771.56/15,659,290.86 = 6,642,973.16/x
  3. Step 3: Cross multiply
    10,440,771.56x = 15,659,290.86 × 6,642,973.16
  4. Step 4: Simplify right side
    10,440,771.56x = 104,024,248,887,613.31
  5. Step 5: Solve for x
    x = 104,024,248,887,613.31/10,440,771.56
  6. Step 6: Final answer
    x = 9,963,272.19

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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.