Home / 10,779,230.60-16,168,845.90-9,787,207.40

Finding the Fourth Proportional to 10,779,230.60, 16,168,845.90 and 9,787,207.40

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Solution

The fourth proportional to 10,779,230.60, 16,168,845.90 and 9,787,207.40 is: 14,680,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779,230.60 : 16,168,845.90 = 9,787,207.40 : x
  2. Step 2: Convert to fraction form
    10,779,230.60/16,168,845.90 = 9,787,207.40/x
  3. Step 3: Cross multiply
    10,779,230.60x = 16,168,845.90 × 9,787,207.40
  4. Step 4: Simplify right side
    10,779,230.60x = 158,247,848,241,939.66
  5. Step 5: Solve for x
    x = 158,247,848,241,939.66/10,779,230.60
  6. Step 6: Final answer
    x = 14,680,811.10

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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.