Home / 13,032,795.80-17,985,382.20-7,232,117.28

Finding the Fourth Proportional to 13,032,795.80, 17,985,382.20 and 7,232,117.28

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Solution

The fourth proportional to 13,032,795.80, 17,985,382.20 and 7,232,117.28 is: 9,980,390.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,032,795.80 : 17,985,382.20 = 7,232,117.28 : x
  2. Step 2: Convert to fraction form
    13,032,795.80/17,985,382.20 = 7,232,117.28/x
  3. Step 3: Cross multiply
    13,032,795.80x = 17,985,382.20 × 7,232,117.28
  4. Step 4: Simplify right side
    13,032,795.80x = 130,072,393,396,024.42
  5. Step 5: Solve for x
    x = 130,072,393,396,024.42/13,032,795.80
  6. Step 6: Final answer
    x = 9,980,390.66

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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.