Home / 31,681,329.23-47,541,984.72-13,485,495.35

Finding the Fourth Proportional to 31,681,329.23, 47,541,984.72 and 13,485,495.35

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Solution

The fourth proportional to 31,681,329.23, 47,541,984.72 and 13,485,495.35 is: 20,236,752.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,681,329.23 : 47,541,984.72 = 13,485,495.35 : x
  2. Step 2: Convert to fraction form
    31,681,329.23/47,541,984.72 = 13,485,495.35/x
  3. Step 3: Cross multiply
    31,681,329.23x = 47,541,984.72 × 13,485,495.35
  4. Step 4: Simplify right side
    31,681,329.23x = 641,127,213,871,331
  5. Step 5: Solve for x
    x = 641,127,213,871,331/31,681,329.23
  6. Step 6: Final answer
    x = 20,236,752.35

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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.