Home / 20,610,010.60-30,890,132.70-10,507,431.40

Finding the Fourth Proportional to 20,610,010.60, 30,890,132.70 and 10,507,431.40

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Solution

The fourth proportional to 20,610,010.60, 30,890,132.70 and 10,507,431.40 is: 15,748,461.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,610,010.60 : 30,890,132.70 = 10,507,431.40 : x
  2. Step 2: Convert to fraction form
    20,610,010.60/30,890,132.70 = 10,507,431.40/x
  3. Step 3: Cross multiply
    20,610,010.60x = 30,890,132.70 × 10,507,431.40
  4. Step 4: Simplify right side
    20,610,010.60x = 324,575,950,282,146.81
  5. Step 5: Solve for x
    x = 324,575,950,282,146.81/20,610,010.60
  6. Step 6: Final answer
    x = 15,748,461.10

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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.