Home / 19,128,043.48-28,675,077.30-7,453,711.92

Finding the Fourth Proportional to 19,128,043.48, 28,675,077.30 and 7,453,711.92

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Solution

The fourth proportional to 19,128,043.48, 28,675,077.30 and 7,453,711.92 is: 11,173,948.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,128,043.48 : 28,675,077.30 = 7,453,711.92 : x
  2. Step 2: Convert to fraction form
    19,128,043.48/28,675,077.30 = 7,453,711.92/x
  3. Step 3: Cross multiply
    19,128,043.48x = 28,675,077.30 × 7,453,711.92
  4. Step 4: Simplify right side
    19,128,043.48x = 213,735,765,477,931.41
  5. Step 5: Solve for x
    x = 213,735,765,477,931.41/19,128,043.48
  6. Step 6: Final answer
    x = 11,173,948.12

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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.