Home / 31,302,000.45-46,953,000.68-8,272,890.45

Finding the Fourth Proportional to 31,302,000.45, 46,953,000.68 and 8,272,890.45

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Solution

The fourth proportional to 31,302,000.45, 46,953,000.68 and 8,272,890.45 is: 12,409,335.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,302,000.45 : 46,953,000.68 = 8,272,890.45 : x
  2. Step 2: Convert to fraction form
    31,302,000.45/46,953,000.68 = 8,272,890.45/x
  3. Step 3: Cross multiply
    31,302,000.45x = 46,953,000.68 × 8,272,890.45
  4. Step 4: Simplify right side
    31,302,000.45x = 388,437,030,883,051.06
  5. Step 5: Solve for x
    x = 388,437,030,883,051.06/31,302,000.45
  6. Step 6: Final answer
    x = 12,409,335.68

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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.