Home / 14,235,810.25-21,387,781.47-9,128,247.02

Finding the Fourth Proportional to 14,235,810.25, 21,387,781.47 and 9,128,247.02

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Solution

The fourth proportional to 14,235,810.25, 21,387,781.47 and 9,128,247.02 is: 13,714,214.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,235,810.25 : 21,387,781.47 = 9,128,247.02 : x
  2. Step 2: Convert to fraction form
    14,235,810.25/21,387,781.47 = 9,128,247.02/x
  3. Step 3: Cross multiply
    14,235,810.25x = 21,387,781.47 × 9,128,247.02
  4. Step 4: Simplify right side
    14,235,810.25x = 195,232,952,360,999.81
  5. Step 5: Solve for x
    x = 195,232,952,360,999.81/14,235,810.25
  6. Step 6: Final answer
    x = 13,714,214.29

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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.