Home / 15,317,365.71-21,137,600.61-8,348,263.41

Finding the Fourth Proportional to 15,317,365.71, 21,137,600.61 and 8,348,263.41

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Solution

The fourth proportional to 15,317,365.71, 21,137,600.61 and 8,348,263.41 is: 11,520,405.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,317,365.71 : 21,137,600.61 = 8,348,263.41 : x
  2. Step 2: Convert to fraction form
    15,317,365.71/21,137,600.61 = 8,348,263.41/x
  3. Step 3: Cross multiply
    15,317,365.71x = 21,137,600.61 × 8,348,263.41
  4. Step 4: Simplify right side
    15,317,365.71x = 176,462,257,747,656.69
  5. Step 5: Solve for x
    x = 176,462,257,747,656.69/15,317,365.71
  6. Step 6: Final answer
    x = 11,520,405.08

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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.