Home / 15,778,921.60-23,668,382.40-7,275,865.60

Finding the Fourth Proportional to 15,778,921.60, 23,668,382.40 and 7,275,865.60

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Solution

The fourth proportional to 15,778,921.60, 23,668,382.40 and 7,275,865.60 is: 10,913,798.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,778,921.60 : 23,668,382.40 = 7,275,865.60 : x
  2. Step 2: Convert to fraction form
    15,778,921.60/23,668,382.40 = 7,275,865.60/x
  3. Step 3: Cross multiply
    15,778,921.60x = 23,668,382.40 × 7,275,865.60
  4. Step 4: Simplify right side
    15,778,921.60x = 172,207,969,311,805.41
  5. Step 5: Solve for x
    x = 172,207,969,311,805.41/15,778,921.60
  6. Step 6: Final answer
    x = 10,913,798.40

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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.