Home / 42,626,314.40-63,939,471.60-15,696,471.20

Finding the Fourth Proportional to 42,626,314.40, 63,939,471.60 and 15,696,471.20

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Solution

The fourth proportional to 42,626,314.40, 63,939,471.60 and 15,696,471.20 is: 23,544,706.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,626,314.40 : 63,939,471.60 = 15,696,471.20 : x
  2. Step 2: Convert to fraction form
    42,626,314.40/63,939,471.60 = 15,696,471.20/x
  3. Step 3: Cross multiply
    42,626,314.40x = 63,939,471.60 × 15,696,471.20
  4. Step 4: Simplify right side
    42,626,314.40x = 1,003,624,074,512,617.88
  5. Step 5: Solve for x
    x = 1,003,624,074,512,617.88/42,626,314.40
  6. Step 6: Final answer
    x = 23,544,706.80

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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.