Home / 13,771,281.60-20,656,922.40-6,213,009.60

Finding the Fourth Proportional to 13,771,281.60, 20,656,922.40 and 6,213,009.60

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Solution

The fourth proportional to 13,771,281.60, 20,656,922.40 and 6,213,009.60 is: 9,319,514.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,771,281.60 : 20,656,922.40 = 6,213,009.60 : x
  2. Step 2: Convert to fraction form
    13,771,281.60/20,656,922.40 = 6,213,009.60/x
  3. Step 3: Cross multiply
    13,771,281.60x = 20,656,922.40 × 6,213,009.60
  4. Step 4: Simplify right side
    13,771,281.60x = 128,341,657,177,655.02
  5. Step 5: Solve for x
    x = 128,341,657,177,655.02/13,771,281.60
  6. Step 6: Final answer
    x = 9,319,514.40

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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.