Home / 12,140,187.30-18,186,661.35-7,333,598.70

Finding the Fourth Proportional to 12,140,187.30, 18,186,661.35 and 7,333,598.70

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Solution

The fourth proportional to 12,140,187.30, 18,186,661.35 and 7,333,598.70 is: 10,986,130.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,140,187.30 : 18,186,661.35 = 7,333,598.70 : x
  2. Step 2: Convert to fraction form
    12,140,187.30/18,186,661.35 = 7,333,598.70/x
  3. Step 3: Cross multiply
    12,140,187.30x = 18,186,661.35 × 7,333,598.70
  4. Step 4: Simplify right side
    12,140,187.30x = 133,373,676,033,700.27
  5. Step 5: Solve for x
    x = 133,373,676,033,700.27/12,140,187.30
  6. Step 6: Final answer
    x = 10,986,130.01

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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.