Home / 12,365,953.16-17,065,288.85-6,859,148.63

Finding the Fourth Proportional to 12,365,953.16, 17,065,288.85 and 6,859,148.63

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Solution

The fourth proportional to 12,365,953.16, 17,065,288.85 and 6,859,148.63 is: 9,465,776.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,365,953.16 : 17,065,288.85 = 6,859,148.63 : x
  2. Step 2: Convert to fraction form
    12,365,953.16/17,065,288.85 = 6,859,148.63/x
  3. Step 3: Cross multiply
    12,365,953.16x = 17,065,288.85 × 6,859,148.63
  4. Step 4: Simplify right side
    12,365,953.16x = 117,053,352,516,409.58
  5. Step 5: Solve for x
    x = 117,053,352,516,409.58/12,365,953.16
  6. Step 6: Final answer
    x = 9,465,776.80

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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.