Home / 15,964,543.20-23,949,925.20-6,378,290.40

Finding the Fourth Proportional to 15,964,543.20, 23,949,925.20 and 6,378,290.40

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Solution

The fourth proportional to 15,964,543.20, 23,949,925.20 and 6,378,290.40 is: 9,568,678.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,964,543.20 : 23,949,925.20 = 6,378,290.40 : x
  2. Step 2: Convert to fraction form
    15,964,543.20/23,949,925.20 = 6,378,290.40/x
  3. Step 3: Cross multiply
    15,964,543.20x = 23,949,925.20 × 6,378,290.40
  4. Step 4: Simplify right side
    15,964,543.20x = 152,759,577,983,878.09
  5. Step 5: Solve for x
    x = 152,759,577,983,878.09/15,964,543.20
  6. Step 6: Final answer
    x = 9,568,678.29

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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.