Home / 10,916,985.60-16,375,478.40-9,688,766.40

Finding the Fourth Proportional to 10,916,985.60, 16,375,478.40 and 9,688,766.40

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Solution

The fourth proportional to 10,916,985.60, 16,375,478.40 and 9,688,766.40 is: 14,533,149.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,916,985.60 : 16,375,478.40 = 9,688,766.40 : x
  2. Step 2: Convert to fraction form
    10,916,985.60/16,375,478.40 = 9,688,766.40/x
  3. Step 3: Cross multiply
    10,916,985.60x = 16,375,478.40 × 9,688,766.40
  4. Step 4: Simplify right side
    10,916,985.60x = 158,658,184,905,845.78
  5. Step 5: Solve for x
    x = 158,658,184,905,845.78/10,916,985.60
  6. Step 6: Final answer
    x = 14,533,149.60

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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.