Home / 19,964,821.60-29,947,232.40-9,887,125.60

Finding the Fourth Proportional to 19,964,821.60, 29,947,232.40 and 9,887,125.60

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Solution

The fourth proportional to 19,964,821.60, 29,947,232.40 and 9,887,125.60 is: 14,830,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964,821.60 : 29,947,232.40 = 9,887,125.60 : x
  2. Step 2: Convert to fraction form
    19,964,821.60/29,947,232.40 = 9,887,125.60/x
  3. Step 3: Cross multiply
    19,964,821.60x = 29,947,232.40 × 9,887,125.60
  4. Step 4: Simplify right side
    19,964,821.60x = 296,092,048,111,189.44
  5. Step 5: Solve for x
    x = 296,092,048,111,189.44/19,964,821.60
  6. Step 6: Final answer
    x = 14,830,688.40

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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.