Home / 28,292,401.40-42,438,602.10-13,175,857.40

Finding the Fourth Proportional to 28,292,401.40, 42,438,602.10 and 13,175,857.40

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Solution

The fourth proportional to 28,292,401.40, 42,438,602.10 and 13,175,857.40 is: 19,763,786.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,292,401.40 : 42,438,602.10 = 13,175,857.40 : x
  2. Step 2: Convert to fraction form
    28,292,401.40/42,438,602.10 = 13,175,857.40/x
  3. Step 3: Cross multiply
    28,292,401.40x = 42,438,602.10 × 13,175,857.40
  4. Step 4: Simplify right side
    28,292,401.40x = 559,164,969,524,940.56
  5. Step 5: Solve for x
    x = 559,164,969,524,940.56/28,292,401.40
  6. Step 6: Final answer
    x = 19,763,786.10

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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.