Home / 47,894,689.80-71,842,034.70-21,020,833.80

Finding the Fourth Proportional to 47,894,689.80, 71,842,034.70 and 21,020,833.80

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Solution

The fourth proportional to 47,894,689.80, 71,842,034.70 and 21,020,833.80 is: 31,531,250.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,894,689.80 : 71,842,034.70 = 21,020,833.80 : x
  2. Step 2: Convert to fraction form
    47,894,689.80/71,842,034.70 = 21,020,833.80/x
  3. Step 3: Cross multiply
    47,894,689.80x = 71,842,034.70 × 21,020,833.80
  4. Step 4: Simplify right side
    47,894,689.80x = 1,510,179,471,282,533
  5. Step 5: Solve for x
    x = 1,510,179,471,282,533/47,894,689.80
  6. Step 6: Final answer
    x = 31,531,250.70

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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.