Home / 25,293,142.80-37,964,597.40-12,528,061.20

Finding the Fourth Proportional to 25,293,142.80, 37,964,597.40 and 12,528,061.20

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Solution

The fourth proportional to 25,293,142.80, 37,964,597.40 and 12,528,061.20 is: 18,804,416.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,293,142.80 : 37,964,597.40 = 12,528,061.20 : x
  2. Step 2: Convert to fraction form
    25,293,142.80/37,964,597.40 = 12,528,061.20/x
  3. Step 3: Cross multiply
    25,293,142.80x = 37,964,597.40 × 12,528,061.20
  4. Step 4: Simplify right side
    25,293,142.80x = 475,622,799,660,560.81
  5. Step 5: Solve for x
    x = 475,622,799,660,560.81/25,293,142.80
  6. Step 6: Final answer
    x = 18,804,416.81

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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.