Home / 7,018,764.40-10,518,973.75-5,080,020.90

Finding the Fourth Proportional to 7,018,764.40, 10,518,973.75 and 5,080,020.90

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Solution

The fourth proportional to 7,018,764.40, 10,518,973.75 and 5,080,020.90 is: 7,613,392.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018,764.40 : 10,518,973.75 = 5,080,020.90 : x
  2. Step 2: Convert to fraction form
    7,018,764.40/10,518,973.75 = 5,080,020.90/x
  3. Step 3: Cross multiply
    7,018,764.40x = 10,518,973.75 × 5,080,020.90
  4. Step 4: Simplify right side
    7,018,764.40x = 53,436,606,496,551.38
  5. Step 5: Solve for x
    x = 53,436,606,496,551.38/7,018,764.40
  6. Step 6: Final answer
    x = 7,613,392.25

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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.