Home / 28,385,759.48-39,172,365.23-15,333,024.16

Finding the Fourth Proportional to 28,385,759.48, 39,172,365.23 and 15,333,024.16

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Solution

The fourth proportional to 28,385,759.48, 39,172,365.23 and 15,333,024.16 is: 21,159,582.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,385,759.48 : 39,172,365.23 = 15,333,024.16 : x
  2. Step 2: Convert to fraction form
    28,385,759.48/39,172,365.23 = 15,333,024.16/x
  3. Step 3: Cross multiply
    28,385,759.48x = 39,172,365.23 × 15,333,024.16
  4. Step 4: Simplify right side
    28,385,759.48x = 600,630,822,416,335.62
  5. Step 5: Solve for x
    x = 600,630,822,416,335.62/28,385,759.48
  6. Step 6: Final answer
    x = 21,159,582.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.