Home / 9,786,929.28-13,510,871.28-6,117,886.80

Finding the Fourth Proportional to 9,786,929.28, 13,510,871.28 and 6,117,886.80

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Solution

The fourth proportional to 9,786,929.28, 13,510,871.28 and 6,117,886.80 is: 8,445,752.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,786,929.28 : 13,510,871.28 = 6,117,886.80 : x
  2. Step 2: Convert to fraction form
    9,786,929.28/13,510,871.28 = 6,117,886.80/x
  3. Step 3: Cross multiply
    9,786,929.28x = 13,510,871.28 × 6,117,886.80
  4. Step 4: Simplify right side
    9,786,929.28x = 82,657,981,060,411.09
  5. Step 5: Solve for x
    x = 82,657,981,060,411.09/9,786,929.28
  6. Step 6: Final answer
    x = 8,445,752.36

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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.