Home / 25,552,812.40-38,315,221.80-10,389,612.40

Finding the Fourth Proportional to 25,552,812.40, 38,315,221.80 and 10,389,612.40

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Solution

The fourth proportional to 25,552,812.40, 38,315,221.80 and 10,389,612.40 is: 15,578,727.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,552,812.40 : 38,315,221.80 = 10,389,612.40 : x
  2. Step 2: Convert to fraction form
    25,552,812.40/38,315,221.80 = 10,389,612.40/x
  3. Step 3: Cross multiply
    25,552,812.40x = 38,315,221.80 × 10,389,612.40
  4. Step 4: Simplify right side
    25,552,812.40x = 398,080,303,522,030.31
  5. Step 5: Solve for x
    x = 398,080,303,522,030.31/25,552,812.40
  6. Step 6: Final answer
    x = 15,578,727.59

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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.