Home / 31,455,022.74-47,160,598.67-13,938,052.70

Finding the Fourth Proportional to 31,455,022.74, 47,160,598.67 and 13,938,052.70

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Solution

The fourth proportional to 31,455,022.74, 47,160,598.67 and 13,938,052.70 is: 20,897,359.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,455,022.74 : 47,160,598.67 = 13,938,052.70 : x
  2. Step 2: Convert to fraction form
    31,455,022.74/47,160,598.67 = 13,938,052.70/x
  3. Step 3: Cross multiply
    31,455,022.74x = 47,160,598.67 × 13,938,052.70
  4. Step 4: Simplify right side
    31,455,022.74x = 657,326,909,626,009.88
  5. Step 5: Solve for x
    x = 657,326,909,626,009.88/31,455,022.74
  6. Step 6: Final answer
    x = 20,897,359.22

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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.