Home / 15,133,557.80-20,874,988.76-10,784,049.50

Finding the Fourth Proportional to 15,133,557.80, 20,874,988.76 and 10,784,049.50

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Solution

The fourth proportional to 15,133,557.80, 20,874,988.76 and 10,784,049.50 is: 14,875,346.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,133,557.80 : 20,874,988.76 = 10,784,049.50 : x
  2. Step 2: Convert to fraction form
    15,133,557.80/20,874,988.76 = 10,784,049.50/x
  3. Step 3: Cross multiply
    15,133,557.80x = 20,874,988.76 × 10,784,049.50
  4. Step 4: Simplify right side
    15,133,557.80x = 225,116,911,941,488.41
  5. Step 5: Solve for x
    x = 225,116,911,941,488.41/15,133,557.80
  6. Step 6: Final answer
    x = 14,875,346.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.