Home / 30,767,322.29-42,471,978.21-19,170,615.47

Finding the Fourth Proportional to 30,767,322.29, 42,471,978.21 and 19,170,615.47

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Solution

The fourth proportional to 30,767,322.29, 42,471,978.21 and 19,170,615.47 is: 26,463,595.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,767,322.29 : 42,471,978.21 = 19,170,615.47 : x
  2. Step 2: Convert to fraction form
    30,767,322.29/42,471,978.21 = 19,170,615.47/x
  3. Step 3: Cross multiply
    30,767,322.29x = 42,471,978.21 × 19,170,615.47
  4. Step 4: Simplify right side
    30,767,322.29x = 814,213,962,301,769
  5. Step 5: Solve for x
    x = 814,213,962,301,769/30,767,322.29
  6. Step 6: Final answer
    x = 26,463,595.20

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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.