Home / 28,560,079.32-39,411,804.02-15,507,039.48

Finding the Fourth Proportional to 28,560,079.32, 39,411,804.02 and 15,507,039.48

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Solution

The fourth proportional to 28,560,079.32, 39,411,804.02 and 15,507,039.48 is: 21,399,114.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,560,079.32 : 39,411,804.02 = 15,507,039.48 : x
  2. Step 2: Convert to fraction form
    28,560,079.32/39,411,804.02 = 15,507,039.48/x
  3. Step 3: Cross multiply
    28,560,079.32x = 39,411,804.02 × 15,507,039.48
  4. Step 4: Simplify right side
    28,560,079.32x = 611,160,400,916,162.75
  5. Step 5: Solve for x
    x = 611,160,400,916,162.75/28,560,079.32
  6. Step 6: Final answer
    x = 21,399,114.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.