Home / 7,915,423.02-10,923,287.31-4,477,590.78

Finding the Fourth Proportional to 7,915,423.02, 10,923,287.31 and 4,477,590.78

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Solution

The fourth proportional to 7,915,423.02, 10,923,287.31 and 4,477,590.78 is: 6,179,077.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,915,423.02 : 10,923,287.31 = 4,477,590.78 : x
  2. Step 2: Convert to fraction form
    7,915,423.02/10,923,287.31 = 4,477,590.78/x
  3. Step 3: Cross multiply
    7,915,423.02x = 10,923,287.31 × 4,477,590.78
  4. Step 4: Simplify right side
    7,915,423.02x = 48,910,010,546,547.01
  5. Step 5: Solve for x
    x = 48,910,010,546,547.01/7,915,423.02
  6. Step 6: Final answer
    x = 6,179,077.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.