Home / 14,158,911.20-21,243,615.60-5,645,357.60

Finding the Fourth Proportional to 14,158,911.20, 21,243,615.60 and 5,645,357.60

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Solution

The fourth proportional to 14,158,911.20, 21,243,615.60 and 5,645,357.60 is: 8,470,129.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,158,911.20 : 21,243,615.60 = 5,645,357.60 : x
  2. Step 2: Convert to fraction form
    14,158,911.20/21,243,615.60 = 5,645,357.60/x
  3. Step 3: Cross multiply
    14,158,911.20x = 21,243,615.60 × 5,645,357.60
  4. Step 4: Simplify right side
    14,158,911.20x = 119,927,806,778,938.56
  5. Step 5: Solve for x
    x = 119,927,806,778,938.56/14,158,911.20
  6. Step 6: Final answer
    x = 8,470,129.17

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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.