Home / 18,937,902.51-28,411,063.65-8,835,012.27

Finding the Fourth Proportional to 18,937,902.51, 28,411,063.65 and 8,835,012.27

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Solution

The fourth proportional to 18,937,902.51, 28,411,063.65 and 8,835,012.27 is: 13,254,482.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,937,902.51 : 28,411,063.65 = 8,835,012.27 : x
  2. Step 2: Convert to fraction form
    18,937,902.51/28,411,063.65 = 8,835,012.27/x
  3. Step 3: Cross multiply
    18,937,902.51x = 28,411,063.65 × 8,835,012.27
  4. Step 4: Simplify right side
    18,937,902.51x = 251,012,095,951,500.97
  5. Step 5: Solve for x
    x = 251,012,095,951,500.97/18,937,902.51
  6. Step 6: Final answer
    x = 13,254,482.42

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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.