Home / 21,301,395.40-31,934,597.10-9,180,166.60

Finding the Fourth Proportional to 21,301,395.40, 31,934,597.10 and 9,180,166.60

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Solution

The fourth proportional to 21,301,395.40, 31,934,597.10 and 9,180,166.60 is: 13,762,709.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,301,395.40 : 31,934,597.10 = 9,180,166.60 : x
  2. Step 2: Convert to fraction form
    21,301,395.40/31,934,597.10 = 9,180,166.60/x
  3. Step 3: Cross multiply
    21,301,395.40x = 31,934,597.10 × 9,180,166.60
  4. Step 4: Simplify right side
    21,301,395.40x = 293,164,921,681,876.88
  5. Step 5: Solve for x
    x = 293,164,921,681,876.88/21,301,395.40
  6. Step 6: Final answer
    x = 13,762,709.73

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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.