Home / 31,581,478.80-47,365,132.32-14,525,765.64

Finding the Fourth Proportional to 31,581,478.80, 47,365,132.32 and 14,525,765.64

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Solution

The fourth proportional to 31,581,478.80, 47,365,132.32 and 14,525,765.64 is: 21,785,389.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,581,478.80 : 47,365,132.32 = 14,525,765.64 : x
  2. Step 2: Convert to fraction form
    31,581,478.80/47,365,132.32 = 14,525,765.64/x
  3. Step 3: Cross multiply
    31,581,478.80x = 47,365,132.32 × 14,525,765.64
  4. Step 4: Simplify right side
    31,581,478.80x = 688,014,811,587,909.50
  5. Step 5: Solve for x
    x = 688,014,811,587,909.50/31,581,478.80
  6. Step 6: Final answer
    x = 21,785,389.34

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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.