Home / 31,817,680.47-43,907,163.03-19,448,484.14

Finding the Fourth Proportional to 31,817,680.47, 43,907,163.03 and 19,448,484.14

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Solution

The fourth proportional to 31,817,680.47, 43,907,163.03 and 19,448,484.14 is: 26,838,152.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,817,680.47 : 43,907,163.03 = 19,448,484.14 : x
  2. Step 2: Convert to fraction form
    31,817,680.47/43,907,163.03 = 19,448,484.14/x
  3. Step 3: Cross multiply
    31,817,680.47x = 43,907,163.03 × 19,448,484.14
  4. Step 4: Simplify right side
    31,817,680.47x = 853,927,763,931,117.25
  5. Step 5: Solve for x
    x = 853,927,763,931,117.25/31,817,680.47
  6. Step 6: Final answer
    x = 26,838,152.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.