Home / 19,286,322.99-28,929,646.67-4,909,393.23

Finding the Fourth Proportional to 19,286,322.99, 28,929,646.67 and 4,909,393.23

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Solution

The fourth proportional to 19,286,322.99, 28,929,646.67 and 4,909,393.23 is: 7,364,131.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,286,322.99 : 28,929,646.67 = 4,909,393.23 : x
  2. Step 2: Convert to fraction form
    19,286,322.99/28,929,646.67 = 4,909,393.23/x
  3. Step 3: Cross multiply
    19,286,322.99x = 28,929,646.67 × 4,909,393.23
  4. Step 4: Simplify right side
    19,286,322.99x = 142,027,011,507,990.06
  5. Step 5: Solve for x
    x = 142,027,011,507,990.06/19,286,322.99
  6. Step 6: Final answer
    x = 7,364,131.13

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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.