Home / 37,680,478.80-51,996,096.36-21,382,954.80

Finding the Fourth Proportional to 37,680,478.80, 51,996,096.36 and 21,382,954.80

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Solution

The fourth proportional to 37,680,478.80, 51,996,096.36 and 21,382,954.80 is: 29,506,795.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,680,478.80 : 51,996,096.36 = 21,382,954.80 : x
  2. Step 2: Convert to fraction form
    37,680,478.80/51,996,096.36 = 21,382,954.80/x
  3. Step 3: Cross multiply
    37,680,478.80x = 51,996,096.36 × 21,382,954.80
  4. Step 4: Simplify right side
    37,680,478.80x = 1,111,830,178,242,324.50
  5. Step 5: Solve for x
    x = 1,111,830,178,242,324.50/37,680,478.80
  6. Step 6: Final answer
    x = 29,506,795.39

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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.