Home / 51,048,006.80-76,572,010.20-12,709,216.40

Finding the Fourth Proportional to 51,048,006.80, 76,572,010.20 and 12,709,216.40

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Solution

The fourth proportional to 51,048,006.80, 76,572,010.20 and 12,709,216.40 is: 19,063,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,048,006.80 : 76,572,010.20 = 12,709,216.40 : x
  2. Step 2: Convert to fraction form
    51,048,006.80/76,572,010.20 = 12,709,216.40/x
  3. Step 3: Cross multiply
    51,048,006.80x = 76,572,010.20 × 12,709,216.40
  4. Step 4: Simplify right side
    51,048,006.80x = 973,170,247,814,807.38
  5. Step 5: Solve for x
    x = 973,170,247,814,807.38/51,048,006.80
  6. Step 6: Final answer
    x = 19,063,824.60

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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.