Home / 48,338,376.15-72,506,853.79-11,946,769.63

Finding the Fourth Proportional to 48,338,376.15, 72,506,853.79 and 11,946,769.63

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Solution

The fourth proportional to 48,338,376.15, 72,506,853.79 and 11,946,769.63 is: 17,919,978.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,338,376.15 : 72,506,853.79 = 11,946,769.63 : x
  2. Step 2: Convert to fraction form
    48,338,376.15/72,506,853.79 = 11,946,769.63/x
  3. Step 3: Cross multiply
    48,338,376.15x = 72,506,853.79 × 11,946,769.63
  4. Step 4: Simplify right side
    48,338,376.15x = 866,222,678,825,222.50
  5. Step 5: Solve for x
    x = 866,222,678,825,222.50/48,338,376.15
  6. Step 6: Final answer
    x = 17,919,978.86

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1.5x scale

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.