Home / 20,506,647.40-30,759,971.10-5,362,109.80

Finding the Fourth Proportional to 20,506,647.40, 30,759,971.10 and 5,362,109.80

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Solution

The fourth proportional to 20,506,647.40, 30,759,971.10 and 5,362,109.80 is: 8,043,164.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,506,647.40 : 30,759,971.10 = 5,362,109.80 : x
  2. Step 2: Convert to fraction form
    20,506,647.40/30,759,971.10 = 5,362,109.80/x
  3. Step 3: Cross multiply
    20,506,647.40x = 30,759,971.10 × 5,362,109.80
  4. Step 4: Simplify right side
    20,506,647.40x = 164,938,342,483,026.78
  5. Step 5: Solve for x
    x = 164,938,342,483,026.78/20,506,647.40
  6. Step 6: Final answer
    x = 8,043,164.70

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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.