Home / 14,247,657.84-19,661,784.47-7,721,286.96

Finding the Fourth Proportional to 14,247,657.84, 19,661,784.47 and 7,721,286.96

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Solution

The fourth proportional to 14,247,657.84, 19,661,784.47 and 7,721,286.96 is: 10,655,385.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,247,657.84 : 19,661,784.47 = 7,721,286.96 : x
  2. Step 2: Convert to fraction form
    14,247,657.84/19,661,784.47 = 7,721,286.96/x
  3. Step 3: Cross multiply
    14,247,657.84x = 19,661,784.47 × 7,721,286.96
  4. Step 4: Simplify right side
    14,247,657.84x = 151,814,280,038,541.50
  5. Step 5: Solve for x
    x = 151,814,280,038,541.50/14,247,657.84
  6. Step 6: Final answer
    x = 10,655,385.03

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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.