Home / 7,578,369.16-10,458,025.86-4,140,536.20

Finding the Fourth Proportional to 7,578,369.16, 10,458,025.86 and 4,140,536.20

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Solution

The fourth proportional to 7,578,369.16, 10,458,025.86 and 4,140,536.20 is: 5,713,872.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,578,369.16 : 10,458,025.86 = 4,140,536.20 : x
  2. Step 2: Convert to fraction form
    7,578,369.16/10,458,025.86 = 4,140,536.20/x
  3. Step 3: Cross multiply
    7,578,369.16x = 10,458,025.86 × 4,140,536.20
  4. Step 4: Simplify right side
    7,578,369.16x = 43,301,834,653,866.13
  5. Step 5: Solve for x
    x = 43,301,834,653,866.13/7,578,369.16
  6. Step 6: Final answer
    x = 5,713,872.44

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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.