Home / 7,878,909-10,873,731.54-4,618,464.12

Finding the Fourth Proportional to 7,878,909, 10,873,731.54 and 4,618,464.12

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Solution

The fourth proportional to 7,878,909, 10,873,731.54 and 4,618,464.12 is: 6,373,971.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,878,909 : 10,873,731.54 = 4,618,464.12 : x
  2. Step 2: Convert to fraction form
    7,878,909/10,873,731.54 = 4,618,464.12/x
  3. Step 3: Cross multiply
    7,878,909x = 10,873,731.54 × 4,618,464.12
  4. Step 4: Simplify right side
    7,878,909x = 50,219,938,968,002.34
  5. Step 5: Solve for x
    x = 50,219,938,968,002.34/7,878,909
  6. Step 6: Final answer
    x = 6,373,971.19

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1.5x scale

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.