Home / 13,319,320.60-19,970,890.42-5,222,595.76

Finding the Fourth Proportional to 13,319,320.60, 19,970,890.42 and 5,222,595.76

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Solution

The fourth proportional to 13,319,320.60, 19,970,890.42 and 5,222,595.76 is: 7,830,721.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319,320.60 : 19,970,890.42 = 5,222,595.76 : x
  2. Step 2: Convert to fraction form
    13,319,320.60/19,970,890.42 = 5,222,595.76/x
  3. Step 3: Cross multiply
    13,319,320.60x = 19,970,890.42 × 5,222,595.76
  4. Step 4: Simplify right side
    13,319,320.60x = 104,299,887,630,916.62
  5. Step 5: Solve for x
    x = 104,299,887,630,916.62/13,319,320.60
  6. Step 6: Final answer
    x = 7,830,721.31

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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.