Home / 20,747,615.64-31,095,244.98-10,515,047

Finding the Fourth Proportional to 20,747,615.64, 31,095,244.98 and 10,515,047

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Solution

The fourth proportional to 20,747,615.64, 31,095,244.98 and 10,515,047 is: 15,759,303.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,747,615.64 : 31,095,244.98 = 10,515,047 : x
  2. Step 2: Convert to fraction form
    20,747,615.64/31,095,244.98 = 10,515,047/x
  3. Step 3: Cross multiply
    20,747,615.64x = 31,095,244.98 × 10,515,047
  4. Step 4: Simplify right side
    20,747,615.64x = 326,967,962,441,214.06
  5. Step 5: Solve for x
    x = 326,967,962,441,214.06/20,747,615.64
  6. Step 6: Final answer
    x = 15,759,303.05

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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.