Home / 14,500,867.24-20,011,710.72-7,975,001.40

Finding the Fourth Proportional to 14,500,867.24, 20,011,710.72 and 7,975,001.40

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Solution

The fourth proportional to 14,500,867.24, 20,011,710.72 and 7,975,001.40 is: 11,005,784.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,500,867.24 : 20,011,710.72 = 7,975,001.40 : x
  2. Step 2: Convert to fraction form
    14,500,867.24/20,011,710.72 = 7,975,001.40/x
  3. Step 3: Cross multiply
    14,500,867.24x = 20,011,710.72 × 7,975,001.40
  4. Step 4: Simplify right side
    14,500,867.24x = 159,593,421,008,395
  5. Step 5: Solve for x
    x = 159,593,421,008,395/14,500,867.24
  6. Step 6: Final answer
    x = 11,005,784.58

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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.