Home / 19,562,539.20-29,345,104.80-5,185,406.40

Finding the Fourth Proportional to 19,562,539.20, 29,345,104.80 and 5,185,406.40

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Solution

The fourth proportional to 19,562,539.20, 29,345,104.80 and 5,185,406.40 is: 7,778,453.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,562,539.20 : 29,345,104.80 = 5,185,406.40 : x
  2. Step 2: Convert to fraction form
    19,562,539.20/29,345,104.80 = 5,185,406.40/x
  3. Step 3: Cross multiply
    19,562,539.20x = 29,345,104.80 × 5,185,406.40
  4. Step 4: Simplify right side
    19,562,539.20x = 152,166,294,238,590.75
  5. Step 5: Solve for x
    x = 152,166,294,238,590.75/19,562,539.20
  6. Step 6: Final answer
    x = 7,778,453.13

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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.