Home / 42,626,625.40-63,939,938.10-15,696,782.20

Finding the Fourth Proportional to 42,626,625.40, 63,939,938.10 and 15,696,782.20

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Solution

The fourth proportional to 42,626,625.40, 63,939,938.10 and 15,696,782.20 is: 23,545,173.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,626,625.40 : 63,939,938.10 = 15,696,782.20 : x
  2. Step 2: Convert to fraction form
    42,626,625.40/63,939,938.10 = 15,696,782.20/x
  3. Step 3: Cross multiply
    42,626,625.40x = 63,939,938.10 × 15,696,782.20
  4. Step 4: Simplify right side
    42,626,625.40x = 1,003,651,282,237,181.75
  5. Step 5: Solve for x
    x = 1,003,651,282,237,181.75/42,626,625.40
  6. Step 6: Final answer
    x = 23,545,173.30

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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.