Home / 21,680,681.85-32,508,031.70-6,902,390.21

Finding the Fourth Proportional to 21,680,681.85, 32,508,031.70 and 6,902,390.21

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Solution

The fourth proportional to 21,680,681.85, 32,508,031.70 and 6,902,390.21 is: 10,349,449.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,680,681.85 : 32,508,031.70 = 6,902,390.21 : x
  2. Step 2: Convert to fraction form
    21,680,681.85/32,508,031.70 = 6,902,390.21/x
  3. Step 3: Cross multiply
    21,680,681.85x = 32,508,031.70 × 6,902,390.21
  4. Step 4: Simplify right side
    21,680,681.85x = 224,383,119,604,327.25
  5. Step 5: Solve for x
    x = 224,383,119,604,327.25/21,680,681.85
  6. Step 6: Final answer
    x = 10,349,449.39

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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.