Home / 19,590,015.69-29,385,686.80-5,213,097.32

Finding the Fourth Proportional to 19,590,015.69, 29,385,686.80 and 5,213,097.32

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Solution

The fourth proportional to 19,590,015.69, 29,385,686.80 and 5,213,097.32 is: 7,819,822.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,590,015.69 : 29,385,686.80 = 5,213,097.32 : x
  2. Step 2: Convert to fraction form
    19,590,015.69/29,385,686.80 = 5,213,097.32/x
  3. Step 3: Cross multiply
    19,590,015.69x = 29,385,686.80 × 5,213,097.32
  4. Step 4: Simplify right side
    19,590,015.69x = 153,190,445,103,439.38
  5. Step 5: Solve for x
    x = 153,190,445,103,439.38/19,590,015.69
  6. Step 6: Final answer
    x = 7,819,822.48

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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.