Home / 13,222,043.80-19,833,065.70-9,169,970.20

Finding the Fourth Proportional to 13,222,043.80, 19,833,065.70 and 9,169,970.20

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Solution

The fourth proportional to 13,222,043.80, 19,833,065.70 and 9,169,970.20 is: 13,754,955.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,222,043.80 : 19,833,065.70 = 9,169,970.20 : x
  2. Step 2: Convert to fraction form
    13,222,043.80/19,833,065.70 = 9,169,970.20/x
  3. Step 3: Cross multiply
    13,222,043.80x = 19,833,065.70 × 9,169,970.20
  4. Step 4: Simplify right side
    13,222,043.80x = 181,868,621,443,642.12
  5. Step 5: Solve for x
    x = 181,868,621,443,642.12/13,222,043.80
  6. Step 6: Final answer
    x = 13,754,955.30

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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.