Home / 21,063,742.60-31,595,613.90-14,681,201.80

Finding the Fourth Proportional to 21,063,742.60, 31,595,613.90 and 14,681,201.80

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Solution

The fourth proportional to 21,063,742.60, 31,595,613.90 and 14,681,201.80 is: 22,021,802.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,063,742.60 : 31,595,613.90 = 14,681,201.80 : x
  2. Step 2: Convert to fraction form
    21,063,742.60/31,595,613.90 = 14,681,201.80/x
  3. Step 3: Cross multiply
    21,063,742.60x = 31,595,613.90 × 14,681,201.80
  4. Step 4: Simplify right side
    21,063,742.60x = 463,861,583,660,785
  5. Step 5: Solve for x
    x = 463,861,583,660,785/21,063,742.60
  6. Step 6: Final answer
    x = 22,021,802.70

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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.