Home / 19,675,830.80-29,513,746.20-10,109,892.80

Finding the Fourth Proportional to 19,675,830.80, 29,513,746.20 and 10,109,892.80

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Solution

The fourth proportional to 19,675,830.80, 29,513,746.20 and 10,109,892.80 is: 15,164,839.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,675,830.80 : 29,513,746.20 = 10,109,892.80 : x
  2. Step 2: Convert to fraction form
    19,675,830.80/29,513,746.20 = 10,109,892.80/x
  3. Step 3: Cross multiply
    19,675,830.80x = 29,513,746.20 × 10,109,892.80
  4. Step 4: Simplify right side
    19,675,830.80x = 298,380,810,208,407.38
  5. Step 5: Solve for x
    x = 298,380,810,208,407.38/19,675,830.80
  6. Step 6: Final answer
    x = 15,164,839.20

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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.