Home / 20,708,088.04-31,042,069.98-7,918,745.32

Finding the Fourth Proportional to 20,708,088.04, 31,042,069.98 and 7,918,745.32

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Solution

The fourth proportional to 20,708,088.04, 31,042,069.98 and 7,918,745.32 is: 11,870,446.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,708,088.04 : 31,042,069.98 = 7,918,745.32 : x
  2. Step 2: Convert to fraction form
    20,708,088.04/31,042,069.98 = 7,918,745.32/x
  3. Step 3: Cross multiply
    20,708,088.04x = 31,042,069.98 × 7,918,745.32
  4. Step 4: Simplify right side
    20,708,088.04x = 245,814,246,377,237.50
  5. Step 5: Solve for x
    x = 245,814,246,377,237.50/20,708,088.04
  6. Step 6: Final answer
    x = 11,870,446.27

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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.