Home / 14,134,429.60-21,201,644.40-7,764,330.40

Finding the Fourth Proportional to 14,134,429.60, 21,201,644.40 and 7,764,330.40

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Solution

The fourth proportional to 14,134,429.60, 21,201,644.40 and 7,764,330.40 is: 11,646,495.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,134,429.60 : 21,201,644.40 = 7,764,330.40 : x
  2. Step 2: Convert to fraction form
    14,134,429.60/21,201,644.40 = 7,764,330.40/x
  3. Step 3: Cross multiply
    14,134,429.60x = 21,201,644.40 × 7,764,330.40
  4. Step 4: Simplify right side
    14,134,429.60x = 164,616,572,144,909.75
  5. Step 5: Solve for x
    x = 164,616,572,144,909.75/14,134,429.60
  6. Step 6: Final answer
    x = 11,646,495.60

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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.