Home / 21,825,692.79-30,119,036.76-12,037,041.66

Finding the Fourth Proportional to 21,825,692.79, 30,119,036.76 and 12,037,041.66

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Solution

The fourth proportional to 21,825,692.79, 30,119,036.76 and 12,037,041.66 is: 16,610,886.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,825,692.79 : 30,119,036.76 = 12,037,041.66 : x
  2. Step 2: Convert to fraction form
    21,825,692.79/30,119,036.76 = 12,037,041.66/x
  3. Step 3: Cross multiply
    21,825,692.79x = 30,119,036.76 × 12,037,041.66
  4. Step 4: Simplify right side
    21,825,692.79x = 362,544,100,239,191.44
  5. Step 5: Solve for x
    x = 362,544,100,239,191.44/21,825,692.79
  6. Step 6: Final answer
    x = 16,610,886.25

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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.