Home / 21,294,530.70-31,941,796.05-9,169,802.70

Finding the Fourth Proportional to 21,294,530.70, 31,941,796.05 and 9,169,802.70

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Solution

The fourth proportional to 21,294,530.70, 31,941,796.05 and 9,169,802.70 is: 13,754,704.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,294,530.70 : 31,941,796.05 = 9,169,802.70 : x
  2. Step 2: Convert to fraction form
    21,294,530.70/31,941,796.05 = 9,169,802.70/x
  3. Step 3: Cross multiply
    21,294,530.70x = 31,941,796.05 × 9,169,802.70
  4. Step 4: Simplify right side
    21,294,530.70x = 292,899,967,662,139.31
  5. Step 5: Solve for x
    x = 292,899,967,662,139.31/21,294,530.70
  6. Step 6: Final answer
    x = 13,754,704.05

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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.