Home / 28,430,357.34-42,650,851.53-11,392,358.70

Finding the Fourth Proportional to 28,430,357.34, 42,650,851.53 and 11,392,358.70

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Solution

The fourth proportional to 28,430,357.34, 42,650,851.53 and 11,392,358.70 is: 17,090,668.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,430,357.34 : 42,650,851.53 = 11,392,358.70 : x
  2. Step 2: Convert to fraction form
    28,430,357.34/42,650,851.53 = 11,392,358.70/x
  3. Step 3: Cross multiply
    28,430,357.34x = 42,650,851.53 × 11,392,358.70
  4. Step 4: Simplify right side
    28,430,357.34x = 485,893,799,490,203.81
  5. Step 5: Solve for x
    x = 485,893,799,490,203.81/28,430,357.34
  6. Step 6: Final answer
    x = 17,090,668.04

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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.