Home / 19,602,021.60-29,403,032.40-18,858,004.20

Finding the Fourth Proportional to 19,602,021.60, 29,403,032.40 and 18,858,004.20

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Solution

The fourth proportional to 19,602,021.60, 29,403,032.40 and 18,858,004.20 is: 28,287,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,602,021.60 : 29,403,032.40 = 18,858,004.20 : x
  2. Step 2: Convert to fraction form
    19,602,021.60/29,403,032.40 = 18,858,004.20/x
  3. Step 3: Cross multiply
    19,602,021.60x = 29,403,032.40 × 18,858,004.20
  4. Step 4: Simplify right side
    19,602,021.60x = 554,482,508,491,936
  5. Step 5: Solve for x
    x = 554,482,508,491,936/19,602,021.60
  6. Step 6: Final answer
    x = 28,287,006.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.