Home / 38,013,439.89-52,459,653.45-21,493,209.58

Finding the Fourth Proportional to 38,013,439.89, 52,459,653.45 and 21,493,209.58

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Solution

The fourth proportional to 38,013,439.89, 52,459,653.45 and 21,493,209.58 is: 29,661,254.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,013,439.89 : 52,459,653.45 = 21,493,209.58 : x
  2. Step 2: Convert to fraction form
    38,013,439.89/52,459,653.45 = 21,493,209.58/x
  3. Step 3: Cross multiply
    38,013,439.89x = 52,459,653.45 × 21,493,209.58
  4. Step 4: Simplify right side
    38,013,439.89x = 1,127,526,326,095,020
  5. Step 5: Solve for x
    x = 1,127,526,326,095,020/38,013,439.89
  6. Step 6: Final answer
    x = 29,661,254.79

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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.