Home / 14,501,421.25-20,011,561.67-7,975,050.55

Finding the Fourth Proportional to 14,501,421.25, 20,011,561.67 and 7,975,050.55

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Solution

The fourth proportional to 14,501,421.25, 20,011,561.67 and 7,975,050.55 is: 11,005,349.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,501,421.25 : 20,011,561.67 = 7,975,050.55 : x
  2. Step 2: Convert to fraction form
    14,501,421.25/20,011,561.67 = 7,975,050.55/x
  3. Step 3: Cross multiply
    14,501,421.25x = 20,011,561.67 × 7,975,050.55
  4. Step 4: Simplify right side
    14,501,421.25x = 159,593,215,862,817.16
  5. Step 5: Solve for x
    x = 159,593,215,862,817.16/14,501,421.25
  6. Step 6: Final answer
    x = 11,005,349.97

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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.