Home / 10,578,196.60-15,872,543.70-4,188,657.40

Finding the Fourth Proportional to 10,578,196.60, 15,872,543.70 and 4,188,657.40

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Solution

The fourth proportional to 10,578,196.60, 15,872,543.70 and 4,188,657.40 is: 6,285,064.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,578,196.60 : 15,872,543.70 = 4,188,657.40 : x
  2. Step 2: Convert to fraction form
    10,578,196.60/15,872,543.70 = 4,188,657.40/x
  3. Step 3: Cross multiply
    10,578,196.60x = 15,872,543.70 × 4,188,657.40
  4. Step 4: Simplify right side
    10,578,196.60x = 66,484,647,625,828.38
  5. Step 5: Solve for x
    x = 66,484,647,625,828.38/10,578,196.60
  6. Step 6: Final answer
    x = 6,285,064.47

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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.