Home / 7,578,642.96-10,458,511.20-4,140,908.64

Finding the Fourth Proportional to 7,578,642.96, 10,458,511.20 and 4,140,908.64

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Solution

The fourth proportional to 7,578,642.96, 10,458,511.20 and 4,140,908.64 is: 5,714,445.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,578,642.96 : 10,458,511.20 = 4,140,908.64 : x
  2. Step 2: Convert to fraction form
    7,578,642.96/10,458,511.20 = 4,140,908.64/x
  3. Step 3: Cross multiply
    7,578,642.96x = 10,458,511.20 × 4,140,908.64
  4. Step 4: Simplify right side
    7,578,642.96x = 43,307,739,389,616.77
  5. Step 5: Solve for x
    x = 43,307,739,389,616.77/7,578,642.96
  6. Step 6: Final answer
    x = 5,714,445.13

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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.