Home / 26,478,114.80-39,717,172.20-9,439,343.60

Finding the Fourth Proportional to 26,478,114.80, 39,717,172.20 and 9,439,343.60

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Solution

The fourth proportional to 26,478,114.80, 39,717,172.20 and 9,439,343.60 is: 14,159,015.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,478,114.80 : 39,717,172.20 = 9,439,343.60 : x
  2. Step 2: Convert to fraction form
    26,478,114.80/39,717,172.20 = 9,439,343.60/x
  3. Step 3: Cross multiply
    26,478,114.80x = 39,717,172.20 × 9,439,343.60
  4. Step 4: Simplify right side
    26,478,114.80x = 374,904,035,216,167.94
  5. Step 5: Solve for x
    x = 374,904,035,216,167.94/26,478,114.80
  6. Step 6: Final answer
    x = 14,159,015.40

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1.5x scale

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.