Home / 47,781,011.80-71,689,232.40-19,047,768.40

Finding the Fourth Proportional to 47,781,011.80, 71,689,232.40 and 19,047,768.40

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Solution

The fourth proportional to 47,781,011.80, 71,689,232.40 and 19,047,768.40 is: 28,578,714.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,781,011.80 : 71,689,232.40 = 19,047,768.40 : x
  2. Step 2: Convert to fraction form
    47,781,011.80/71,689,232.40 = 19,047,768.40/x
  3. Step 3: Cross multiply
    47,781,011.80x = 71,689,232.40 × 19,047,768.40
  4. Step 4: Simplify right side
    47,781,011.80x = 1,365,519,895,528,976.25
  5. Step 5: Solve for x
    x = 1,365,519,895,528,976.25/47,781,011.80
  6. Step 6: Final answer
    x = 28,578,714.52

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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.