Home / 31,932,000.80-47,884,004.40-12,756,384.80

Finding the Fourth Proportional to 31,932,000.80, 47,884,004.40 and 12,756,384.80

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Solution

The fourth proportional to 31,932,000.80, 47,884,004.40 and 12,756,384.80 is: 19,128,985.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,932,000.80 : 47,884,004.40 = 12,756,384.80 : x
  2. Step 2: Convert to fraction form
    31,932,000.80/47,884,004.40 = 12,756,384.80/x
  3. Step 3: Cross multiply
    31,932,000.80x = 47,884,004.40 × 12,756,384.80
  4. Step 4: Simplify right side
    31,932,000.80x = 610,826,785,891,293.12
  5. Step 5: Solve for x
    x = 610,826,785,891,293.12/31,932,000.80
  6. Step 6: Final answer
    x = 19,128,985.68

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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.