Home / 15,746,943.40-23,620,415.10-11,939,813.80

Finding the Fourth Proportional to 15,746,943.40, 23,620,415.10 and 11,939,813.80

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Solution

The fourth proportional to 15,746,943.40, 23,620,415.10 and 11,939,813.80 is: 17,909,720.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,746,943.40 : 23,620,415.10 = 11,939,813.80 : x
  2. Step 2: Convert to fraction form
    15,746,943.40/23,620,415.10 = 11,939,813.80/x
  3. Step 3: Cross multiply
    15,746,943.40x = 23,620,415.10 × 11,939,813.80
  4. Step 4: Simplify right side
    15,746,943.40x = 282,023,358,172,708.44
  5. Step 5: Solve for x
    x = 282,023,358,172,708.44/15,746,943.40
  6. Step 6: Final answer
    x = 17,909,720.70

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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.