Home / 15,552,900.40-23,317,686.60-7,985,297.20

Finding the Fourth Proportional to 15,552,900.40, 23,317,686.60 and 7,985,297.20

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Solution

The fourth proportional to 15,552,900.40, 23,317,686.60 and 7,985,297.20 is: 11,971,957.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,552,900.40 : 23,317,686.60 = 7,985,297.20 : x
  2. Step 2: Convert to fraction form
    15,552,900.40/23,317,686.60 = 7,985,297.20/x
  3. Step 3: Cross multiply
    15,552,900.40x = 23,317,686.60 × 7,985,297.20
  4. Step 4: Simplify right side
    15,552,900.40x = 186,198,657,517,457.53
  5. Step 5: Solve for x
    x = 186,198,657,517,457.53/15,552,900.40
  6. Step 6: Final answer
    x = 11,971,957.17

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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.