Home / 20,417,090.03-28,177,569.81-15,251,483.51

Finding the Fourth Proportional to 20,417,090.03, 28,177,569.81 and 15,251,483.51

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Solution

The fourth proportional to 20,417,090.03, 28,177,569.81 and 15,251,483.51 is: 21,048,530.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,417,090.03 : 28,177,569.81 = 15,251,483.51 : x
  2. Step 2: Convert to fraction form
    20,417,090.03/28,177,569.81 = 15,251,483.51/x
  3. Step 3: Cross multiply
    20,417,090.03x = 28,177,569.81 × 15,251,483.51
  4. Step 4: Simplify right side
    20,417,090.03x = 429,749,741,168,201
  5. Step 5: Solve for x
    x = 429,749,741,168,201/20,417,090.03
  6. Step 6: Final answer
    x = 21,048,530.45

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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.