Home / 21,448,628.15-29,613,358.59-16,478,215.46

Finding the Fourth Proportional to 21,448,628.15, 29,613,358.59 and 16,478,215.46

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Solution

The fourth proportional to 21,448,628.15, 29,613,358.59 and 16,478,215.46 is: 22,750,886.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,448,628.15 : 29,613,358.59 = 16,478,215.46 : x
  2. Step 2: Convert to fraction form
    21,448,628.15/29,613,358.59 = 16,478,215.46/x
  3. Step 3: Cross multiply
    21,448,628.15x = 29,613,358.59 × 16,478,215.46
  4. Step 4: Simplify right side
    21,448,628.15x = 487,975,303,241,451.81
  5. Step 5: Solve for x
    x = 487,975,303,241,451.81/21,448,628.15
  6. Step 6: Final answer
    x = 22,750,886.44

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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.