Home / 14,162,516.60-21,243,774.90-7,430,055.80

Finding the Fourth Proportional to 14,162,516.60, 21,243,774.90 and 7,430,055.80

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Solution

The fourth proportional to 14,162,516.60, 21,243,774.90 and 7,430,055.80 is: 11,145,083.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,162,516.60 : 21,243,774.90 = 7,430,055.80 : x
  2. Step 2: Convert to fraction form
    14,162,516.60/21,243,774.90 = 7,430,055.80/x
  3. Step 3: Cross multiply
    14,162,516.60x = 21,243,774.90 × 7,430,055.80
  4. Step 4: Simplify right side
    14,162,516.60x = 157,842,432,909,639.41
  5. Step 5: Solve for x
    x = 157,842,432,909,639.41/14,162,516.60
  6. Step 6: Final answer
    x = 11,145,083.70

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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.