Home / 21,456,085.80-32,184,128.70-5,281,908.60

Finding the Fourth Proportional to 21,456,085.80, 32,184,128.70 and 5,281,908.60

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Solution

The fourth proportional to 21,456,085.80, 32,184,128.70 and 5,281,908.60 is: 7,922,862.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,456,085.80 : 32,184,128.70 = 5,281,908.60 : x
  2. Step 2: Convert to fraction form
    21,456,085.80/32,184,128.70 = 5,281,908.60/x
  3. Step 3: Cross multiply
    21,456,085.80x = 32,184,128.70 × 5,281,908.60
  4. Step 4: Simplify right side
    21,456,085.80x = 169,993,626,164,036.81
  5. Step 5: Solve for x
    x = 169,993,626,164,036.81/21,456,085.80
  6. Step 6: Final answer
    x = 7,922,862.90

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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.