Home / 28,047,509.04-38,705,599.80-15,825,503.28

Finding the Fourth Proportional to 28,047,509.04, 38,705,599.80 and 15,825,503.28

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Solution

The fourth proportional to 28,047,509.04, 38,705,599.80 and 15,825,503.28 is: 21,839,215.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,047,509.04 : 38,705,599.80 = 15,825,503.28 : x
  2. Step 2: Convert to fraction form
    28,047,509.04/38,705,599.80 = 15,825,503.28/x
  3. Step 3: Cross multiply
    28,047,509.04x = 38,705,599.80 × 15,825,503.28
  4. Step 4: Simplify right side
    28,047,509.04x = 612,535,596,589,267.25
  5. Step 5: Solve for x
    x = 612,535,596,589,267.25/28,047,509.04
  6. Step 6: Final answer
    x = 21,839,215.59

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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.