Home / 19,281,221.84-28,924,027.41-6,990,973.07

Finding the Fourth Proportional to 19,281,221.84, 28,924,027.41 and 6,990,973.07

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Solution

The fourth proportional to 19,281,221.84, 28,924,027.41 and 6,990,973.07 is: 10,487,255.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,281,221.84 : 28,924,027.41 = 6,990,973.07 : x
  2. Step 2: Convert to fraction form
    19,281,221.84/28,924,027.41 = 6,990,973.07/x
  3. Step 3: Cross multiply
    19,281,221.84x = 28,924,027.41 × 6,990,973.07
  4. Step 4: Simplify right side
    19,281,221.84x = 202,207,096,554,631.72
  5. Step 5: Solve for x
    x = 202,207,096,554,631.72/19,281,221.84
  6. Step 6: Final answer
    x = 10,487,255.34

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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.