Home / 30,579,102.60-42,199,167.60-16,828,066.80

Finding the Fourth Proportional to 30,579,102.60, 42,199,167.60 and 16,828,066.80

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Solution

The fourth proportional to 30,579,102.60, 42,199,167.60 and 16,828,066.80 is: 23,222,735.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,579,102.60 : 42,199,167.60 = 16,828,066.80 : x
  2. Step 2: Convert to fraction form
    30,579,102.60/42,199,167.60 = 16,828,066.80/x
  3. Step 3: Cross multiply
    30,579,102.60x = 42,199,167.60 × 16,828,066.80
  4. Step 4: Simplify right side
    30,579,102.60x = 710,130,411,277,195.75
  5. Step 5: Solve for x
    x = 710,130,411,277,195.75/30,579,102.60
  6. Step 6: Final answer
    x = 23,222,735.49

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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.