Home / 31,980,901.20-47,931,985.80-21,745,741.20

Finding the Fourth Proportional to 31,980,901.20, 47,931,985.80 and 21,745,741.20

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Solution

The fourth proportional to 31,980,901.20, 47,931,985.80 and 21,745,741.20 is: 32,591,844.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,980,901.20 : 47,931,985.80 = 21,745,741.20 : x
  2. Step 2: Convert to fraction form
    31,980,901.20/47,931,985.80 = 21,745,741.20/x
  3. Step 3: Cross multiply
    31,980,901.20x = 47,931,985.80 × 21,745,741.20
  4. Step 4: Simplify right side
    31,980,901.20x = 1,042,316,558,408,874.88
  5. Step 5: Solve for x
    x = 1,042,316,558,408,874.88/31,980,901.20
  6. Step 6: Final answer
    x = 32,591,844.49

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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.