Home / 19,570,142.49-27,020,307.41-12,231,274.38

Finding the Fourth Proportional to 19,570,142.49, 27,020,307.41 and 12,231,274.38

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Solution

The fourth proportional to 19,570,142.49, 27,020,307.41 and 12,231,274.38 is: 16,887,602.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,570,142.49 : 27,020,307.41 = 12,231,274.38 : x
  2. Step 2: Convert to fraction form
    19,570,142.49/27,020,307.41 = 12,231,274.38/x
  3. Step 3: Cross multiply
    19,570,142.49x = 27,020,307.41 × 12,231,274.38
  4. Step 4: Simplify right side
    19,570,142.49x = 330,492,793,763,657.19
  5. Step 5: Solve for x
    x = 330,492,793,763,657.19/19,570,142.49
  6. Step 6: Final answer
    x = 16,887,602.83

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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.