Home / 21,886,852.20-32,830,278.30-20,123,255.40

Finding the Fourth Proportional to 21,886,852.20, 32,830,278.30 and 20,123,255.40

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Solution

The fourth proportional to 21,886,852.20, 32,830,278.30 and 20,123,255.40 is: 30,184,883.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,886,852.20 : 32,830,278.30 = 20,123,255.40 : x
  2. Step 2: Convert to fraction form
    21,886,852.20/32,830,278.30 = 20,123,255.40/x
  3. Step 3: Cross multiply
    21,886,852.20x = 32,830,278.30 × 20,123,255.40
  4. Step 4: Simplify right side
    21,886,852.20x = 660,652,075,083,977.75
  5. Step 5: Solve for x
    x = 660,652,075,083,977.75/21,886,852.20
  6. Step 6: Final answer
    x = 30,184,883.10

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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.