Home / 7,272,784-10,036,438.72-4,175,507.08

Finding the Fourth Proportional to 7,272,784, 10,036,438.72 and 4,175,507.08

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Solution

The fourth proportional to 7,272,784, 10,036,438.72 and 4,175,507.08 is: 5,762,197.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272,784 : 10,036,438.72 = 4,175,507.08 : x
  2. Step 2: Convert to fraction form
    7,272,784/10,036,438.72 = 4,175,507.08/x
  3. Step 3: Cross multiply
    7,272,784x = 10,036,438.72 × 4,175,507.08
  4. Step 4: Simplify right side
    7,272,784x = 41,907,220,933,346.14
  5. Step 5: Solve for x
    x = 41,907,220,933,346.14/7,272,784
  6. Step 6: Final answer
    x = 5,762,197.93

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1.5x scale

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.