Home / 13,288,030.70-19,932,046.05-7,225,666.70

Finding the Fourth Proportional to 13,288,030.70, 19,932,046.05 and 7,225,666.70

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Solution

The fourth proportional to 13,288,030.70, 19,932,046.05 and 7,225,666.70 is: 10,838,500.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288,030.70 : 19,932,046.05 = 7,225,666.70 : x
  2. Step 2: Convert to fraction form
    13,288,030.70/19,932,046.05 = 7,225,666.70/x
  3. Step 3: Cross multiply
    13,288,030.70x = 19,932,046.05 × 7,225,666.70
  4. Step 4: Simplify right side
    13,288,030.70x = 144,022,321,406,351.53
  5. Step 5: Solve for x
    x = 144,022,321,406,351.53/13,288,030.70
  6. Step 6: Final answer
    x = 10,838,500.05

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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.