Home / 19,423,085.80-29,134,628.70-6,642,452.20

Finding the Fourth Proportional to 19,423,085.80, 29,134,628.70 and 6,642,452.20

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Solution

The fourth proportional to 19,423,085.80, 29,134,628.70 and 6,642,452.20 is: 9,963,678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,423,085.80 : 29,134,628.70 = 6,642,452.20 : x
  2. Step 2: Convert to fraction form
    19,423,085.80/29,134,628.70 = 6,642,452.20/x
  3. Step 3: Cross multiply
    19,423,085.80x = 29,134,628.70 × 6,642,452.20
  4. Step 4: Simplify right side
    19,423,085.80x = 193,525,378,504,498.12
  5. Step 5: Solve for x
    x = 193,525,378,504,498.12/19,423,085.80
  6. Step 6: Final answer
    x = 9,963,678.30

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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.