Home / 48,338,378.81-72,506,857.76-11,946,772.29

Finding the Fourth Proportional to 48,338,378.81, 72,506,857.76 and 11,946,772.29

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Solution

The fourth proportional to 48,338,378.81, 72,506,857.76 and 11,946,772.29 is: 17,919,982.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,338,378.81 : 72,506,857.76 = 11,946,772.29 : x
  2. Step 2: Convert to fraction form
    48,338,378.81/72,506,857.76 = 11,946,772.29/x
  3. Step 3: Cross multiply
    48,338,378.81x = 72,506,857.76 × 11,946,772.29
  4. Step 4: Simplify right side
    48,338,378.81x = 866,222,919,122,139.50
  5. Step 5: Solve for x
    x = 866,222,919,122,139.50/48,338,378.81
  6. Step 6: Final answer
    x = 17,919,982.85

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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.