Home / 12,129,125.37-16,732,150.40-7,230,896.01

Finding the Fourth Proportional to 12,129,125.37, 16,732,150.40 and 7,230,896.01

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Solution

The fourth proportional to 12,129,125.37, 16,732,150.40 and 7,230,896.01 is: 9,975,034.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,129,125.37 : 16,732,150.40 = 7,230,896.01 : x
  2. Step 2: Convert to fraction form
    12,129,125.37/16,732,150.40 = 7,230,896.01/x
  3. Step 3: Cross multiply
    12,129,125.37x = 16,732,150.40 × 7,230,896.01
  4. Step 4: Simplify right side
    12,129,125.37x = 120,988,439,529,925.42
  5. Step 5: Solve for x
    x = 120,988,439,529,925.42/12,129,125.37
  6. Step 6: Final answer
    x = 9,975,034.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.