Home / 12,310,386.44-16,990,442.86-7,156,737.40

Finding the Fourth Proportional to 12,310,386.44, 16,990,442.86 and 7,156,737.40

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Solution

The fourth proportional to 12,310,386.44, 16,990,442.86 and 7,156,737.40 is: 9,877,524.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310,386.44 : 16,990,442.86 = 7,156,737.40 : x
  2. Step 2: Convert to fraction form
    12,310,386.44/16,990,442.86 = 7,156,737.40/x
  3. Step 3: Cross multiply
    12,310,386.44x = 16,990,442.86 × 7,156,737.40
  4. Step 4: Simplify right side
    12,310,386.44x = 121,596,137,858,724.97
  5. Step 5: Solve for x
    x = 121,596,137,858,724.97/12,310,386.44
  6. Step 6: Final answer
    x = 9,877,524.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.