Home / 10,768,688.40-16,141,973.40-6,278,653.20

Finding the Fourth Proportional to 10,768,688.40, 16,141,973.40 and 6,278,653.20

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Solution

The fourth proportional to 10,768,688.40, 16,141,973.40 and 6,278,653.20 is: 9,411,531.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,768,688.40 : 16,141,973.40 = 6,278,653.20 : x
  2. Step 2: Convert to fraction form
    10,768,688.40/16,141,973.40 = 6,278,653.20/x
  3. Step 3: Cross multiply
    10,768,688.40x = 16,141,973.40 × 6,278,653.20
  4. Step 4: Simplify right side
    10,768,688.40x = 101,349,852,942,224.89
  5. Step 5: Solve for x
    x = 101,349,852,942,224.89/10,768,688.40
  6. Step 6: Final answer
    x = 9,411,531.76

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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.