Home / 10,369,830.20-15,554,745.30-6,786,649.40

Finding the Fourth Proportional to 10,369,830.20, 15,554,745.30 and 6,786,649.40

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Solution

The fourth proportional to 10,369,830.20, 15,554,745.30 and 6,786,649.40 is: 10,179,974.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,830.20 : 15,554,745.30 = 6,786,649.40 : x
  2. Step 2: Convert to fraction form
    10,369,830.20/15,554,745.30 = 6,786,649.40/x
  3. Step 3: Cross multiply
    10,369,830.20x = 15,554,745.30 × 6,786,649.40
  4. Step 4: Simplify right side
    10,369,830.20x = 105,564,602,857,397.83
  5. Step 5: Solve for x
    x = 105,564,602,857,397.83/10,369,830.20
  6. Step 6: Final answer
    x = 10,179,974.10

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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.