Home / 13,147,812.60-19,721,718.90-9,959,166.60

Finding the Fourth Proportional to 13,147,812.60, 19,721,718.90 and 9,959,166.60

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Solution

The fourth proportional to 13,147,812.60, 19,721,718.90 and 9,959,166.60 is: 14,938,749.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,147,812.60 : 19,721,718.90 = 9,959,166.60 : x
  2. Step 2: Convert to fraction form
    13,147,812.60/19,721,718.90 = 9,959,166.60/x
  3. Step 3: Cross multiply
    13,147,812.60x = 19,721,718.90 × 9,959,166.60
  4. Step 4: Simplify right side
    13,147,812.60x = 196,411,884,163,468.72
  5. Step 5: Solve for x
    x = 196,411,884,163,468.72/13,147,812.60
  6. Step 6: Final answer
    x = 14,938,749.90

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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.