Home / 26,139,672.60-39,125,528.10-18,581,400.60

Finding the Fourth Proportional to 26,139,672.60, 39,125,528.10 and 18,581,400.60

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Solution

The fourth proportional to 26,139,672.60, 39,125,528.10 and 18,581,400.60 is: 27,812,403.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,139,672.60 : 39,125,528.10 = 18,581,400.60 : x
  2. Step 2: Convert to fraction form
    26,139,672.60/39,125,528.10 = 18,581,400.60/x
  3. Step 3: Cross multiply
    26,139,672.60x = 39,125,528.10 × 18,581,400.60
  4. Step 4: Simplify right side
    26,139,672.60x = 727,007,111,312,657
  5. Step 5: Solve for x
    x = 727,007,111,312,657/26,139,672.60
  6. Step 6: Final answer
    x = 27,812,403.10

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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.