Home / 30,579,090.46-42,199,150.98-16,828,054.59

Finding the Fourth Proportional to 30,579,090.46, 42,199,150.98 and 16,828,054.59

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Solution

The fourth proportional to 30,579,090.46, 42,199,150.98 and 16,828,054.59 is: 23,222,718.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,579,090.46 : 42,199,150.98 = 16,828,054.59 : x
  2. Step 2: Convert to fraction form
    30,579,090.46/42,199,150.98 = 16,828,054.59/x
  3. Step 3: Cross multiply
    30,579,090.46x = 42,199,150.98 × 16,828,054.59
  4. Step 4: Simplify right side
    30,579,090.46x = 710,129,616,343,091.88
  5. Step 5: Solve for x
    x = 710,129,616,343,091.88/30,579,090.46
  6. Step 6: Final answer
    x = 23,222,718.72

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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.