Home / 28,496,795.04-39,330,630-21,609,669.60

Finding the Fourth Proportional to 28,496,795.04, 39,330,630 and 21,609,669.60

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Solution

The fourth proportional to 28,496,795.04, 39,330,630 and 21,609,669.60 is: 29,825,175.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,496,795.04 : 39,330,630 = 21,609,669.60 : x
  2. Step 2: Convert to fraction form
    28,496,795.04/39,330,630 = 21,609,669.60/x
  3. Step 3: Cross multiply
    28,496,795.04x = 39,330,630 × 21,609,669.60
  4. Step 4: Simplify right side
    28,496,795.04x = 849,921,919,459,848
  5. Step 5: Solve for x
    x = 849,921,919,459,848/28,496,795.04
  6. Step 6: Final answer
    x = 29,825,175.72

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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.