Home / 37,428,004.20-56,142,006.30-21,303,690.60

Finding the Fourth Proportional to 37,428,004.20, 56,142,006.30 and 21,303,690.60

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Solution

The fourth proportional to 37,428,004.20, 56,142,006.30 and 21,303,690.60 is: 31,955,535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,428,004.20 : 56,142,006.30 = 21,303,690.60 : x
  2. Step 2: Convert to fraction form
    37,428,004.20/56,142,006.30 = 21,303,690.60/x
  3. Step 3: Cross multiply
    37,428,004.20x = 56,142,006.30 × 21,303,690.60
  4. Step 4: Simplify right side
    37,428,004.20x = 1,196,031,931,878,450.75
  5. Step 5: Solve for x
    x = 1,196,031,931,878,450.75/37,428,004.20
  6. Step 6: Final answer
    x = 31,955,535.90

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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.