Home / 12,127,419,526.96-18,174,868,851.11-9,438,486,887.71

Finding the Fourth Proportional to 12,127,419,526.96, 18,174,868,851.11 and 9,438,486,887.71

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Solution

The fourth proportional to 12,127,419,526.96, 18,174,868,851.11 and 9,438,486,887.71 is: 14,145,075,212.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127,419,526.96 : 18,174,868,851.11 = 9,438,486,887.71 : x
  2. Step 2: Convert to fraction form
    12,127,419,526.96/18,174,868,851.11 = 9,438,486,887.71/x
  3. Step 3: Cross multiply
    12,127,419,526.96x = 18,174,868,851.11 × 9,438,486,887.71
  4. Step 4: Simplify right side
    12,127,419,526.96x = 171,543,261,337,024,102,400
  5. Step 5: Solve for x
    x = 171,543,261,337,024,102,400/12,127,419,526.96
  6. Step 6: Final answer
    x = 14,145,075,212.06

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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.