Home / 20,724,116.10-31,088,506.96-6,347,069.70

Finding the Fourth Proportional to 20,724,116.10, 31,088,506.96 and 6,347,069.70

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Solution

The fourth proportional to 20,724,116.10, 31,088,506.96 and 6,347,069.70 is: 9,521,319.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,724,116.10 : 31,088,506.96 = 6,347,069.70 : x
  2. Step 2: Convert to fraction form
    20,724,116.10/31,088,506.96 = 6,347,069.70/x
  3. Step 3: Cross multiply
    20,724,116.10x = 31,088,506.96 × 6,347,069.70
  4. Step 4: Simplify right side
    20,724,116.10x = 197,320,920,544,055.12
  5. Step 5: Solve for x
    x = 197,320,920,544,055.12/20,724,116.10
  6. Step 6: Final answer
    x = 9,521,319.01

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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.