Home / 30,953,721.60-46,430,582.40-15,648,220.80

Finding the Fourth Proportional to 30,953,721.60, 46,430,582.40 and 15,648,220.80

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Solution

The fourth proportional to 30,953,721.60, 46,430,582.40 and 15,648,220.80 is: 23,472,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,953,721.60 : 46,430,582.40 = 15,648,220.80 : x
  2. Step 2: Convert to fraction form
    30,953,721.60/46,430,582.40 = 15,648,220.80/x
  3. Step 3: Cross multiply
    30,953,721.60x = 46,430,582.40 × 15,648,220.80
  4. Step 4: Simplify right side
    30,953,721.60x = 726,556,005,267,793.88
  5. Step 5: Solve for x
    x = 726,556,005,267,793.88/30,953,721.60
  6. Step 6: Final answer
    x = 23,472,331.20

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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.