Home / 28,009,503.01-38,653,282.65-15,620,378.59

Finding the Fourth Proportional to 28,009,503.01, 38,653,282.65 and 15,620,378.59

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Solution

The fourth proportional to 28,009,503.01, 38,653,282.65 and 15,620,378.59 is: 21,556,216.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,009,503.01 : 38,653,282.65 = 15,620,378.59 : x
  2. Step 2: Convert to fraction form
    28,009,503.01/38,653,282.65 = 15,620,378.59/x
  3. Step 3: Cross multiply
    28,009,503.01x = 38,653,282.65 × 15,620,378.59
  4. Step 4: Simplify right side
    28,009,503.01x = 603,778,908,739,278.38
  5. Step 5: Solve for x
    x = 603,778,908,739,278.38/28,009,503.01
  6. Step 6: Final answer
    x = 21,556,216.42

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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.