Home / 19,684,005.20-29,526,007.80-8,901,657.80

Finding the Fourth Proportional to 19,684,005.20, 29,526,007.80 and 8,901,657.80

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Solution

The fourth proportional to 19,684,005.20, 29,526,007.80 and 8,901,657.80 is: 13,352,486.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,684,005.20 : 29,526,007.80 = 8,901,657.80 : x
  2. Step 2: Convert to fraction form
    19,684,005.20/29,526,007.80 = 8,901,657.80/x
  3. Step 3: Cross multiply
    19,684,005.20x = 29,526,007.80 × 8,901,657.80
  4. Step 4: Simplify right side
    19,684,005.20x = 262,830,417,635,730.88
  5. Step 5: Solve for x
    x = 262,830,417,635,730.88/19,684,005.20
  6. Step 6: Final answer
    x = 13,352,486.70

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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.