Home / 10,793,428.60-16,169,147.70-6,520,905.40

Finding the Fourth Proportional to 10,793,428.60, 16,169,147.70 and 6,520,905.40

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Solution

The fourth proportional to 10,793,428.60, 16,169,147.70 and 6,520,905.40 is: 9,768,673.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,793,428.60 : 16,169,147.70 = 6,520,905.40 : x
  2. Step 2: Convert to fraction form
    10,793,428.60/16,169,147.70 = 6,520,905.40/x
  3. Step 3: Cross multiply
    10,793,428.60x = 16,169,147.70 × 6,520,905.40
  4. Step 4: Simplify right side
    10,793,428.60x = 105,437,482,550,327.58
  5. Step 5: Solve for x
    x = 105,437,482,550,327.58/10,793,428.60
  6. Step 6: Final answer
    x = 9,768,673.74

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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.