Home / 22,395,365.18-33,539,239.28-12,781,597.50

Finding the Fourth Proportional to 22,395,365.18, 33,539,239.28 and 12,781,597.50

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Solution

The fourth proportional to 22,395,365.18, 33,539,239.28 and 12,781,597.50 is: 19,141,686.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,395,365.18 : 33,539,239.28 = 12,781,597.50 : x
  2. Step 2: Convert to fraction form
    22,395,365.18/33,539,239.28 = 12,781,597.50/x
  3. Step 3: Cross multiply
    22,395,365.18x = 33,539,239.28 × 12,781,597.50
  4. Step 4: Simplify right side
    22,395,365.18x = 428,685,056,933,149.81
  5. Step 5: Solve for x
    x = 428,685,056,933,149.81/22,395,365.18
  6. Step 6: Final answer
    x = 19,141,686.39

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Double scale
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1.5x scale

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.