Home / 10,551,164.42-15,829,234.14-8,400,320.66

Finding the Fourth Proportional to 10,551,164.42, 15,829,234.14 and 8,400,320.66

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Solution

The fourth proportional to 10,551,164.42, 15,829,234.14 and 8,400,320.66 is: 12,602,461.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551,164.42 : 15,829,234.14 = 8,400,320.66 : x
  2. Step 2: Convert to fraction form
    10,551,164.42/15,829,234.14 = 8,400,320.66/x
  3. Step 3: Cross multiply
    10,551,164.42x = 15,829,234.14 × 8,400,320.66
  4. Step 4: Simplify right side
    10,551,164.42x = 132,970,642,578,219.34
  5. Step 5: Solve for x
    x = 132,970,642,578,219.34/10,551,164.42
  6. Step 6: Final answer
    x = 12,602,461.42

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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.