Home / 48,338,478.30-72,507,006.74-11,946,871.82

Finding the Fourth Proportional to 48,338,478.30, 72,507,006.74 and 11,946,871.82

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Solution

The fourth proportional to 48,338,478.30, 72,507,006.74 and 11,946,871.82 is: 17,920,132.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,338,478.30 : 72,507,006.74 = 11,946,871.82 : x
  2. Step 2: Convert to fraction form
    48,338,478.30/72,507,006.74 = 11,946,871.82/x
  3. Step 3: Cross multiply
    48,338,478.30x = 72,507,006.74 × 11,946,871.82
  4. Step 4: Simplify right side
    48,338,478.30x = 866,231,915,152,386.62
  5. Step 5: Solve for x
    x = 866,231,915,152,386.62/48,338,478.30
  6. Step 6: Final answer
    x = 17,920,132.07

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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.