Home / 15,696,464.80-23,559,730.80-8,128,861.60

Finding the Fourth Proportional to 15,696,464.80, 23,559,730.80 and 8,128,861.60

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Solution

The fourth proportional to 15,696,464.80, 23,559,730.80 and 8,128,861.60 is: 12,201,077.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,696,464.80 : 23,559,730.80 = 8,128,861.60 : x
  2. Step 2: Convert to fraction form
    15,696,464.80/23,559,730.80 = 8,128,861.60/x
  3. Step 3: Cross multiply
    15,696,464.80x = 23,559,730.80 × 8,128,861.60
  4. Step 4: Simplify right side
    15,696,464.80x = 191,513,791,006,457.28
  5. Step 5: Solve for x
    x = 191,513,791,006,457.28/15,696,464.80
  6. Step 6: Final answer
    x = 12,201,077.98

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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.