Home / 19,008,007.10-28,519,009.05-7,656,602.30

Finding the Fourth Proportional to 19,008,007.10, 28,519,009.05 and 7,656,602.30

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Solution

The fourth proportional to 19,008,007.10, 28,519,009.05 and 7,656,602.30 is: 11,487,722.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,007.10 : 28,519,009.05 = 7,656,602.30 : x
  2. Step 2: Convert to fraction form
    19,008,007.10/28,519,009.05 = 7,656,602.30/x
  3. Step 3: Cross multiply
    19,008,007.10x = 28,519,009.05 × 7,656,602.30
  4. Step 4: Simplify right side
    19,008,007.10x = 218,358,710,285,950.81
  5. Step 5: Solve for x
    x = 218,358,710,285,950.81/19,008,007.10
  6. Step 6: Final answer
    x = 11,487,722.47

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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.