Home / 11,780,543.40-17,670,815.10-6,391,775.40

Finding the Fourth Proportional to 11,780,543.40, 17,670,815.10 and 6,391,775.40

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Solution

The fourth proportional to 11,780,543.40, 17,670,815.10 and 6,391,775.40 is: 9,587,663.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780,543.40 : 17,670,815.10 = 6,391,775.40 : x
  2. Step 2: Convert to fraction form
    11,780,543.40/17,670,815.10 = 6,391,775.40/x
  3. Step 3: Cross multiply
    11,780,543.40x = 17,670,815.10 × 6,391,775.40
  4. Step 4: Simplify right side
    11,780,543.40x = 112,947,881,254,128.56
  5. Step 5: Solve for x
    x = 112,947,881,254,128.56/11,780,543.40
  6. Step 6: Final answer
    x = 9,587,663.10

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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.