Home / 12,444,807.70-18,656,152.35-8,187,015.70

Finding the Fourth Proportional to 12,444,807.70, 18,656,152.35 and 8,187,015.70

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Solution

The fourth proportional to 12,444,807.70, 18,656,152.35 and 8,187,015.70 is: 12,273,248.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444,807.70 : 18,656,152.35 = 8,187,015.70 : x
  2. Step 2: Convert to fraction form
    12,444,807.70/18,656,152.35 = 8,187,015.70/x
  3. Step 3: Cross multiply
    12,444,807.70x = 18,656,152.35 × 8,187,015.70
  4. Step 4: Simplify right side
    12,444,807.70x = 152,738,212,191,041.91
  5. Step 5: Solve for x
    x = 152,738,212,191,041.91/12,444,807.70
  6. Step 6: Final answer
    x = 12,273,248.08

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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.