Home / 12,211,870.46-16,852,930.94-7,316,987.45

Finding the Fourth Proportional to 12,211,870.46, 16,852,930.94 and 7,316,987.45

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Solution

The fourth proportional to 12,211,870.46, 16,852,930.94 and 7,316,987.45 is: 10,097,772.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,211,870.46 : 16,852,930.94 = 7,316,987.45 : x
  2. Step 2: Convert to fraction form
    12,211,870.46/16,852,930.94 = 7,316,987.45/x
  3. Step 3: Cross multiply
    12,211,870.46x = 16,852,930.94 × 7,316,987.45
  4. Step 4: Simplify right side
    12,211,870.46x = 123,312,684,062,847.11
  5. Step 5: Solve for x
    x = 123,312,684,062,847.11/12,211,870.46
  6. Step 6: Final answer
    x = 10,097,772.04

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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.