Home / 31,538,007.60-47,307,011.40-8,508,897.60

Finding the Fourth Proportional to 31,538,007.60, 47,307,011.40 and 8,508,897.60

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Solution

The fourth proportional to 31,538,007.60, 47,307,011.40 and 8,508,897.60 is: 12,763,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,538,007.60 : 47,307,011.40 = 8,508,897.60 : x
  2. Step 2: Convert to fraction form
    31,538,007.60/47,307,011.40 = 8,508,897.60/x
  3. Step 3: Cross multiply
    31,538,007.60x = 47,307,011.40 × 8,508,897.60
  4. Step 4: Simplify right side
    31,538,007.60x = 402,530,515,764,632.62
  5. Step 5: Solve for x
    x = 402,530,515,764,632.62/31,538,007.60
  6. Step 6: Final answer
    x = 12,763,346.40

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1.5x scale

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.