Home / 31,932,002.80-47,884,007.40-12,756,386.80

Finding the Fourth Proportional to 31,932,002.80, 47,884,007.40 and 12,756,386.80

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Solution

The fourth proportional to 31,932,002.80, 47,884,007.40 and 12,756,386.80 is: 19,128,988.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,932,002.80 : 47,884,007.40 = 12,756,386.80 : x
  2. Step 2: Convert to fraction form
    31,932,002.80/47,884,007.40 = 12,756,386.80/x
  3. Step 3: Cross multiply
    31,932,002.80x = 47,884,007.40 × 12,756,386.80
  4. Step 4: Simplify right side
    31,932,002.80x = 610,826,919,928,462.38
  5. Step 5: Solve for x
    x = 610,826,919,928,462.38/31,932,002.80
  6. Step 6: Final answer
    x = 19,128,988.67

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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.