Home / 13,291,287.70-19,936,931.55-9,932,055.70

Finding the Fourth Proportional to 13,291,287.70, 19,936,931.55 and 9,932,055.70

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Solution

The fourth proportional to 13,291,287.70, 19,936,931.55 and 9,932,055.70 is: 14,898,083.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291,287.70 : 19,936,931.55 = 9,932,055.70 : x
  2. Step 2: Convert to fraction form
    13,291,287.70/19,936,931.55 = 9,932,055.70/x
  3. Step 3: Cross multiply
    13,291,287.70x = 19,936,931.55 × 9,932,055.70
  4. Step 4: Simplify right side
    13,291,287.70x = 198,014,714,641,687.31
  5. Step 5: Solve for x
    x = 198,014,714,641,687.31/13,291,287.70
  6. Step 6: Final answer
    x = 14,898,083.55

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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.