Home / 10,856,870.20-16,285,305.30-9,927,897.40

Finding the Fourth Proportional to 10,856,870.20, 16,285,305.30 and 9,927,897.40

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Solution

The fourth proportional to 10,856,870.20, 16,285,305.30 and 9,927,897.40 is: 14,891,846.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856,870.20 : 16,285,305.30 = 9,927,897.40 : x
  2. Step 2: Convert to fraction form
    10,856,870.20/16,285,305.30 = 9,927,897.40/x
  3. Step 3: Cross multiply
    10,856,870.20x = 16,285,305.30 × 9,927,897.40
  4. Step 4: Simplify right side
    10,856,870.20x = 161,678,840,146,076.22
  5. Step 5: Solve for x
    x = 161,678,840,146,076.22/10,856,870.20
  6. Step 6: Final answer
    x = 14,891,846.10

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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.